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4-LETTER WORDS · ENDING IN O

4-letter words
ending in O.

33 common words, each with a short meaning. Use the filters to narrow them down, letter by letter.

Showing 33 of 33 words

Common words · A–Z

also

As well; too.

alto

A low singing voice.

demo

A show of how something works.

dodo

A large bird that died out long ago.

echo

A sound that bounces back to you.

euro

Money used in many European countries.

filo

Very thin pastry in layers.

halo

A ring of light around something.

hero

A brave person who is admired.

info

Short for information.

into

To the inside of something.

judo

A Japanese sport of throwing and holding.

kilo

Short for kilogram.

lido

An outdoor swimming pool.

limo

A long, fancy car with a driver.

lino

A smooth floor covering.

logo

A symbol that stands for a company.

mayo

Short for mayonnaise.

memo

A short written note at work.

miso

A salty Japanese paste used in soup.

onto

To a place on top of something.

peso

The money used in Mexico.

polo

A game played on horses with long sticks.

redo

To do something again.

silo

A tall tower for storing grain.

solo

Done by one person alone.

sumo

A Japanese sport where big wrestlers push.

taco

A folded corn tortilla with a filling, from Mexico.

trio

A group of three.

typo

A small mistake in typing.

undo

To reverse something you have done.

veto

To refuse to allow a plan.

zero

The number 0.

Meanings are written for this site and checked against Merriam-Webster (4 November 2026). Words are in the ENABLE2K word list (public domain). More words ending in O, of every length ↗