13-Letter Words Starting with R

All 149 thirteen-letter words that start with R

RA

• racialization24n. The act or process of racializing, that is, of treating (a...
• radiculopathy24n. Any disease of the spinal nerve roots and spinal nerves.
• radioactively22adv. Using a radioactive substance.
• radioactivity22n. Spontaneous emission of ionizing radiation as a consequence of a...
• radiochemical23adj. Of or pertaining to radiochemistry.
• radiolabelled17adj. Tagged with a radiotracer.
• radiolocation16n. The detection and locating of distant objects using microwave...
• randomization25n. The process of making random.
• rapaciousness17n. The state of being rapacious; extreme gluttony.
• rapprochement24n. The reestablishment of cordial relations, particularly between two...
• rassemblement19n. The bringing together of both feet, with the body upright, in order to...
• rasterization22n. The process of taking an image described in a vector graphics format...
• ratiocination15n. Reasoning, conscious deliberate inference; the activity or process of...
• rationalistic15adj. Of or relating to rationalism.
• rationalizing23n. The act of one who rationalizes.

RE

• reacquisition24n. A second or subsequent acquisition.
• reaffirmation21n. An act of reaffirming; a second or subsequent affirmation.
• realistically18adv. In a realistic manner.
• realizability27n. The property or characteristic of being realizable.
• reapplication19n. The act of reapplying; a second or subsequent application.
• reappointment19n. An act of reappointing.
• reappropriate19v. To seize and reassign.
• rearrangement16n. The process of rearranging.
• reasonability18n. The state or quality of being reasonable.
• recalcitrance19n. The state of being recalcitrant.
• recalculation17n. The act of recalculating; a second or subsequent calculation.
• recalibration17n. A second, subsequent, or corrected calibration.
• receptiveness20n. The characteristic of being receptive.
• rechristening19n. A second or subsequent christening.
• reciprocating20adj. That moves back and forth or up and down.
• reciprocation19n. The act of reciprocating; interchange of acts; a mutual giving and...
• recirculation17n. The act or process of recirculating.
• reclusiveness18n. The state or characteristic of being reclusive.
• recombination19n. Combination a second or subsequent time.
• recommendable22adj. Capable of being recommended.
• recompilation19n. The act or process of recompiling.
• recomposition19n. A composition again or anew; the process or result of recomposing.
• recompression19n. The act of recompressing; compression again.
• reconcilement19n. The fact of being restored to cordial relations with each other...
• reconditioned17adj. Which has been reconditioned.
• reconnoitered16adj. Of a region or situation that has been surveyed (especially in a...
• reconnoitring16n. An act of reconnaissance.
• reconstituted16adj. Constructed anew.
• reconstructed18adj. Rebuilt; reassembled; redesigned and reimplemented; thoroughly...
• reconstructor17n. That which reconstructs.
• recordkeeping23n. The creation, collection and management of records, especially of a...
• recrimination17n. The act of recriminating.
• recriminatory20adj. In the way of recriminations.
• recrudescence20n. The condition or state being recrudescent; the condition of something...
• recrystallize27v. To crystallize again; especially as a means of purification.
• rectangularly19adv. In a rectangular manner.
• rectification20n. The action or process of rectifying.
• recyclability25n. The quality of being recyclable.
• redescription18n. Description again or anew.
• redesignation15n. The act of redesignating.
• redevelopment21n. The process of developing something anew.
• redistricting17n. An instance of adjusting the borders that delineate districts.
• reduplication18n. The act of, or an instance of, reduplicating.
• reengineering15n. The application of technology and management science to the...
• referentially19adv. In a referential way.
• reflectometer20n. An instrument used to measure the reflectance of a surface.
• reflectometry23n. The science of the design and use of reflectometers.
• reflexologist24n. A practitioner of reflexology.
• reforestation16n. The act or process of replanting a forest, especially after...
• reformulation18n. The act of formulating anew.
• refractometer20n. An optical instrument used to measure the refractive index of a...
• refrigerating18adj. Causing refrigeration.
• refrigeration17n. The process of transferring heat from an object in order to cool it.
• refurbishment23n. The act of refurbishing; a renovation.
• regimentation16n. The act of regimenting.
• regurgitation15n. The act of regurgitating.
• rehabilitator18n. One who rehabilitates.
• reimagination16n. The act or process of reimagining.
• reimportation17n. The practice of reimporting something.
• reincarnation15n. A rebirth of a soul, in a physical life form, such as a body.
• reincorporate17v. To incorporate again or in a different manner.
• reinforcement20n. The act, process, or state of reinforcing or being reinforced.
• reinnervation16n. The action of reinnervating.
• reinstatement15n. The act of restoring something to its previous state.
• reinstitution13n. The act of reinstituting something.
• reintegration14n. The act or process of reintegrating.
• reinterpreted16adj. Interpreted again.
• reinvestigate17v. To investigate again.
• reinvigorated18adj. Revitalized or rejuvenated.
• relationality16n. The state or condition of being relational.
• religiousness14n. The quality of being religious; religiosity.
• remanufacture20v. To make a system or subsystem that meets the standards of one newly...
• remeasurement17n. Measurement again or anew.
• remorselessly18adv. Without remorse; in a remorseless manner.
• remyelination18n. The regeneration of a nerve's myelin sheath.
• renegotiation14n. The act of negotiating again.
• renourishment18n. The act or process of renourishing.
• reorientation13n. A new orientation.
• reoxygenation24n. Oxygenation subsequent to deoxygenation.
• repairability20n. The property of being repairable.
• repeatability20n. The absence of variation amongst multiple measurements taken under the...
• replayability23n. Replay value.
• replenishable20adj. Able to be renewed or replenished.
• replenishment20n. The act of replenishing.
• replicability22n. The ability or possibility of being replicated or reproduced...
• repositioning16n. The act by which something is repositioned.
• reprehensible20adj. Blameworthy, censurable, guilty.
• reprehensibly23adv. In a reprehensible manner.
• representable17adj. Capable of being represented.
• reproachfully26adv. In a reproachful manner.
• reprogramming21n. The act by which something is reprogrammed.
• reprographics23n. The process of reprography.
• republicanism21n. The political ideology of being a citizen in a state as a republic...
• republication19n. The act of publishing again.
• repulsiveness18n. The characteristic of being repulsive.
• resegregation15n. The state or process of being segregated again or in a new way.
• residentially17adv. In a residential manner.
• resourcefully21adv. In a resourceful manner.
• resplendently19adv. In a resplendent manner.
• restrictively21adv. In a restrictive manner.
• restructuring16n. A reorganization; an alteration of structure.
• resuscitation15n. The act of resuscitating.
• resuscitative18adj. Such as to revive or resuscitate a person or thing.
• retinoschisis18n. An eye disease characterized by the abnormal splitting of the retina's...
• retranslation13n. Translation again or anew.
• retroactively21adv. Done after the fact; applying to events that have previously transpired.
• retroactivity21n. The state or characteristic of being retroactive.
• retrofuturism18n. The revival of historical conceptions of the future in media and design.
• retrogression14n. A deterioration or decline to a previous state.
• retrogressive17adj. Of or relating to retrogression.
• retrospection17n. The deliberate recall of past events.
• retrospective20adj. Of, relating to, or contemplating the past.
• retrosplenial15adj. Behind the splenium.
• reunification18n. The unification of something that was previously divided; used...
• reutilization22n. Reuse.
• revaccination20n. A second or subsequent vaccination.
• reverberation18n. A violent oscillation or vibration.
• reverberatory21adj. Of, pertaining to, or employing reverberation or deflection.
• reverentially19adv. In a reverential manner; worshipfully.
• reversibility21n. The property of being reversible.
• revolutionary19adj. Of or pertaining to a revolution in government; tending to, or...
• revolutionise16v. To change radically or significantly, as in a revolution.
• revolutionist16n. A person who revolts.
• revolutionize25v. To radically or significantly change (something), as in a revolution.

RH

• rhodochrosite22n. A crystalline mineral composed mainly of manganese carbonate MnCO₃.

RI

• righteousness17n. The quality or state of being righteous.
• ritualization22n. The act of giving something a ritual meaning or significance.

RO

• rollerblading17n. The pastime or sport of skating on rollerblades.
• rollercoaster15n. An amusement ride consisting of a train on a track that rises, falls...
• romanticizing27n. The act of one who romanticizes; a making romantic.
• rosiglitazone23n. A thiazolidinedione derivative (trademark Avandia) taken orally in the...
• routinization22n. The process of making something routine.
• roxithromycin30n. A semisynthetic derivative of erythromycin.

RU

• rubbernecking24n. The act of slowing down while driving a vehicle, in order to see the...

Questions about these words

How many thirteen-letter words that start with R are there?

Word.ws lists 149 thirteen-letter words that start with R, plus 984 rare ones.

What are common thirteen-letter words that start with R?

revolutionary, restructuring, retrospective, righteousness, redevelopment, reinforcement, realistically and reconstructed.

Which of the thirteen-letter words that start with R has the highest letter score?

roxithromycin scores 30 points with the standard letter tile values.

Related word lists

• 13-Letter Words
• Words That Start with R
• 12-Letter Words Starting with R
• 14-Letter Words Starting with R
• Q Words Without U