Word.ws English Dictionary

Words That Start with OL

There are 72 words that start with OL on Word.ws, from 3 to 15 letters. The most common length is 5 letters (11 words). The words used most often are old, older, oldest, oliver and olive.

Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.

3-letter words that start with OL

  • old4adj. Of an object, concept, relationship, etc., having existed for a...
  • ole3interj. An interjection used to stir up excitement.
  • olf6n. A unit measuring the strength of an olfactory pollution source as...
  • olm5n. Proteus anguinus, a cave-dwelling neotenous salamander with external...
  • olo3n. A highly saturated impossible color shade of blue-green produced by...

4-letter words that start with OL

  • olay7n. Palm leaves, prepared for being written upon with a steel-tipped stylus.
  • olds5n. One's parents.
  • oleh7n. A Jew who has recently made aliyah to Israel; an immigrant to Israel.
  • oleo4n. A type of energy-absorbing landing gear strut in which sudden...
  • olid5adj. Evil-smelling; fetid.
  • olio4n. A rich, thick, Spanish stew consisting of meat and vegetables.
  • olla4n. A cooking-pot or earthenware jar used in Spain and Spanish-speaking...
  • olpe6n. Originally, a leather flask or vessel for oils or liquids; afterward...

5-letter words that start with OL

  • olden6adj. From or relating to a previous era.
  • older6adj. Elderly.
  • oldie6n. Something or someone old.
  • oleic7adj. Of or pertaining to oil, especially to vegetable oil.
  • olein5n. Any naturally-occurring greasy or oily substance related to fat.
  • oleum7n. A solution of sulfur trioxide in sulfuric acid.
  • oligo6n. An oligonucleotide.
  • oliva8n. Olivary body.
  • olive8n. A tree of species Olea europaea cultivated since ancient times in the...
  • ollie5n. An aerial maneuver in which one catches air by leaping off the ground...
  • ology9n. Any branch of learning, especially one ending in “-logy”.

6-letter words that start with OL

  • oldest7n. The oldest child in a family, or individual in a group.
  • oldish10adj. Somewhat old.
  • oleate6n. Any salt or ester of oleic acid.
  • olefin9n. Any of a class of unsaturated open-chain hydrocarbons such as ethylene...
  • oliver9n. A small tilt hammer, worked by the foot.
  • olivet9n. An imitation pearl manufactured for trade with native peoples.

7-letter words that start with OL

  • oldness8n. The state of being old; age.
  • oldster8n. Someone who is old.
  • olearia7n. Any of the genus Olearia of flowering plants in the family Asteraceae.
  • olestra7n. A fat substitute (a glyceride of sucrose) that cannot be easily...
  • olivary13adj. Shaped like an olive.
  • olivine10n. Any of a group of olive green magnesium-iron silicate minerals that...
  • ologist8n. One who studies some branch of learning, especially one ending in...
  • oloroso7n. A type of sherry, darker and smoother than fino sherry, used as a base...

8-letter words that start with OL

  • olaparib12n. A particular anticancer drug.
  • oldstyle12n. A traditional style of typeface designed to mimic the handwriting of...
  • oldtimer11n. An elderly person.
  • oleander9n. Nerium oleander, a notoriously poisonous shrub in the dogbane family...
  • oligarch14n. A member of an oligarchy; someone who is part of a small group that...
  • oligomer11n. A compound intermediate between a monomer and a polymer, normally...
  • oliguria9n. A decreased production in the volume of urine.
  • oliphant13n. An ancient ivory hunting-horn.

9-letter words that start with OL

  • olecranon11n. The bony process at the top of the ulna forming the point of the elbow.
  • oleoresin9n. A homogeneous mix of essential oil and resin.
  • olfaction14n. The sense of smell; the detection of airborne molecules.
  • olfactory17adj. Concerning the sense of smell.
  • oligarchy18n. A government run by and for only a few, often the aristocracy, the...
  • oligopoly15n. An economic condition in which a small number of sellers exert control...

10-letter words that start with OL

  • olanzapine21n. An antipsychotic drug C₁₇H₂₀H₄S administered orally especially in the...
  • oleaginous11adj. Oily, greasy.
  • oleophobic19adj. Tending to repel oil.
  • oligarchic18adj. Of or pertaining to oligarchy.
  • oligomeric15adj. Of, pertaining to, or being an oligomer.
  • olivaceous15adj. Having the color of a green olive.
  • olmesartan12n. An angiotensin-receptor antagonist used to treat hypertension.

11-letter words that start with OL

  • oligochaete17n. Any of various hermaphroditic aquatic and terrestrial annelid worms, of...
  • oligoclonal14adj. Relating to an oligoclone, or to just a few clones.

12-letter words that start with OL

  • oligarchical20adj. Oligarchic.
  • oligopeptide18n. A peptide containing a relatively small number of amino acids.
  • oligospermia17n. Low concentration of sperm in semen.
  • oligotrophic20adj. Deficient in nutrition (providing little nourishment).

13-letter words that start with OL

  • oleomargarine16n. A fatty substance obtained by solidifying purified beef fat, used to...
  • oligopolistic18adj. Having the character of, or dominated by, an oligopoly.

15-letter words that start with OL

  • oligodendrocyte23n. Any of the cells of the oligodendroglia in the nervous system.
  • oligohydramnios25n. A deficit of amniotic fluid in the amniotic sac, causing distinctive...
  • oligomerization27n. The formation of an oligomer from a monomer.
  • oligonucleotide19n. A short sequence of nucleotides (RNA or DNA), typically with twenty or...
  • oligosaccharide24n. A polysaccharide of low molecular weight, being a polymer of between...
509 rare words that start with OL

The first 300 are shown.

Questions about these words

How many words that start with OL are there?
Word.ws lists 72 words that start with OL, plus 509 rare ones.
What are common words that start with OL?
old, older, oldest, oliver, olive, olds, ole and ollie.
Which of the words that start with OL has the highest letter score?
oligomerization scores 27 points with the standard letter tile values.

Related word lists

Source and license

Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.

Cite this page: “Words That Start with OL: 72 Words by Length.” Word.ws, https://word.ws/words/starting-with-ol. Based on Wiktionary, CC BY-SA 4.0.