Word.ws English Dictionary

5-Letter Words Ending in IO

There are 23 five-letter words ending in IO on Word.ws, from actio to vario. The most common are radio, audio, ratio, socio and patio.

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

All 23 five-letter words ending in IO

  • actio7n. The use of voice and gestures in oratory; the style of delivery of a...
  • amnio7n. Amniocentesis.
  • audio6adj. Focused on audible sound, as opposed to sight.
  • catio7n. An outdoor enclosure for cats.
  • curio7n. A strange and interesting object; something that evokes curiosity.
  • danio6n. Any of various fish of the genera Danio or Devario.
  • folio8n. A leaf of a book or manuscript.
  • genio6n. Somebody having a particular way of thinking.
  • helio8n. A heliotrope (surveying instrument).
  • indio6n. A member of one of various indigenous peoples in the Americas, Pacific...
  • julio12n. A former coin of Italy, struck by Pope Julius II (1503-13).
  • medio8n. A traditional Spanish unit of dry measure, equivalent to about 2.3 L.
  • ngaio6n. An evergreen tree of species Myoporum laetum, native to New Zealand.
  • patio7n. A paved outside area, adjoining a house, used for dining or recreation.
  • polio7n. A person who has poliomyelitis.
  • pugio8n. A dagger or poignard, especially the kind used by the Ancient Romans.
  • radio6n. The technology that allows for the transmission of sound or other...
  • ratio5n. A number representing a comparison between two named things.
  • regio6n. Any large area of a planet or moon that is strongly differentiated from...
  • sapio7n. A sapiosexual.
  • sitio5n. A subdivision of a barangay, typically rural.
  • socio7n. At an institute of education, a class where sociology is taught.
  • vario8n. Variometer.
5 rare five-letter words ending in IO

Questions about these words

How many five-letter words ending in IO are there?
Word.ws lists 23 five-letter words ending in IO, plus 5 rare ones.
What are common five-letter words ending in IO?
radio, audio, ratio, socio, patio, julio, polio and folio.
Which of the five-letter words ending in IO has the highest letter score?
julio scores 12 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: “5-Letter Words Ending in IO: 23 Words.” Word.ws, https://word.ws/words/5-letter/ending-in-io. Based on Wiktionary, CC BY-SA 4.0.