Words That Start With OO

There are over 146 words that begin with OO in English. From 2-letter words to 15-letter entries, find OO-words grouped and sortable by length below, all valid in Scrabble, Wordle, and Words With Friends. You can also see five letter words starting with OO.

2 letter OO-words icon
1

2-Letter Words Starting With OO

Short high-frequency OO-words:

oo

3 letter OO-words icon
8

3-Letter Words Starting With OO

Short high-frequency OO-words:

oof

ooh

oom

oon

oop

oor

oos

oot

See all 3-letter OO-words
4 letter OO-words icon
14

4-Letter Words Starting With OO

Common 4-letter OO-words:

ooer

oofs

oofy

oohs

ooky

ooms

oons

oont

oops

oose

oosy

oots

ooze

oozy

See all 4-letter OO-words
5 letter OO-words icon
11

5-Letter Words Starting With OO

Common 5-letter OO-words:

oobit

oohed

oojah

oomph

oonts

ooped

oorie

ooses

ootid

oozed

oozes

See all 5-letter OO-words
6 letter OO-words icon
27

6-Letter Words Starting With OO

Common 6-letter OO-words:

oobits

oodles

oofier

oogamy

oohing

ooidal

oojahs

oolite

oolith

oology

oolong

oomiac

oomiak

oompah

oomphs

ooping

oorial

oorier

oosier

oozing

See all 6-letter OO-words
7 letter OO-words icon
27

7-Letter Words Starting With OO

Common 7-letter OO-words:

oocysts

oocytes

oodlins

ooftish

oogonia

oolites

ooliths

oolitic

oologic

oomiack

oomiacs

oomiaks

ooralis

oorials

ooriest

oosiest

oosperm

oospore

ootheca

ooziest

See all 7-letter OO-words
8 letter OO-words icon
26

8-Letter Words Starting With OO

Common 8-letter OO-words:

ooblecks

oofiness

oogamies

oogamous

oogenies

oogonial

oogonium

oolachan

oolakans

oolichan

oologist

oomiacks

oompahed

oophoron

oophytes

oosphere

oospores

oosporic

oothecae

oothecal

See all 8-letter OO-words
9 letter OO-words icon
16

9-Letter Words Starting With OO

Common 9-letter OO-words:

ooftishes

oogametes

oogeneses

oogenesis

oogenetic

oogoniums

oolachans

oolichans

oological

oologists

oompahing

oompahpah

oomycetes

oophorons

oospheres

oosporous

See all 9-letter OO-words
10 letter OO-words icon
6

10-Letter Words Starting With OO

Common 10-letter OO-words:

oogamously

oojamaflip

oompahpahs

oophoritic

oophoritis

oozinesses

See all 10-letter OO-words
11 letter OO-words icon
1

11-Letter Words Starting With OO

Common 11-letter OO-words:

oojamaflips

See all 11-letter OO-words
12 letter OO-words icon
2

12-Letter Words Starting With OO

Common 12-letter OO-words:

oophorectomy

oophoritises

See all 12-letter OO-words
14 letter OO-words icon
3

14-Letter Words Starting With OO

Common 14-letter OO-words:

oophorectomies

oophorectomise

oophorectomize

See all 14-letter OO-words
15 letter OO-words icon
4

15-Letter Words Starting With OO

Common 15-letter OO-words:

oophorectomised

oophorectomises

oophorectomized

oophorectomizes

See all 15-letter OO-words

146 Common Words Starting with OO

Most Common Length
6
(27 words)
Avg Scrabble Score
11.7
(out of 34)
Most Common Ending
s
(40%)

Curated Word Lists You May Find Interesting

Browse curated word lists by letter and word length.

Trending Today

5-letter word lists built for puzzle solving

Tools for Your Word Lists Games

Finders and solvers to turn patterns into possibilities

Hints and Answers for Your Daily Games

Keep your streak alive. Daily help for daily puzzles

Try These Word Tips Games

Fun daily word games made by Wordtips

What is the highest scoring word in Scrabble that starts with OO?

34 Points

The highest scoring word in Scrabble that starts with OO is oophorectomized with a total of 34 points.

O 1
O 1
P 3
H 4
O 1
R 1
E 1
C 3
T 1
O 1
M 3
I 1
Z 10
E 1
D 2
adjective 1. That has been oophorectomized; having had the ovaries removed.

Words that begin with OO are commonly used for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. You can also find a list of all words that end in OO and words with OO. Try our five letter words starting with OO page if you’re playing Wordle-like games or use the New York Times Wordle Solver for finding the NYT Wordle daily answer.

FAQ Words That Start With OO

  • How many words starting with OO are in the English dictionary?

    There are 146 words in the English dictionary that start with OO, and most of them are 6 letters long (27 words of that length).

  • What's the longest word starting with OO?

    The longest word starting with OO is "oophorectomized" at 15 letters long.

  • Are there any rare words starting with OO worth more in Scrabble?

    Yes. Uncommon words like "oophorectomize", "oophorectomized", "oojamaflip", "oophorectomizes" start with OO and can score big thanks to their unusual letters. "oophorectomized" is worth 34 points in Scrabble before any bonus tiles.

  • What are the most common words starting with OO?

    Most words starting with OO are 6 letters long, including everyday words like "oobits", "oodles", "oofier", "oogamy", "oohing".

Next to Words Start With OO

Explore words by letter combinations to grow your vocabulary.