Words That Start With OP

There are over 571 words that begin with OP in English. From 2-letter words to 15-letter entries, find OP-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 OP.

2 letter OP-words icon
1

2-Letter Words Starting With OP

Short high-frequency OP-words:

op

3 letter OP-words icon
4

3-Letter Words Starting With OP

Short high-frequency OP-words:

opa

ope

ops

opt

See all 3-letter OP-words
4 letter OP-words icon
10

4-Letter Words Starting With OP

Common 4-letter OP-words:

open

opah

opal

opas

oped

opes

opex

oppo

opts

opus

See all 4-letter OP-words
5 letter OP-words icon
13

5-Letter Words Starting With OP

Common 5-letter OP-words:

opera

opens

opium

opahs

opals

opepe

opine

oping

oppos

opsin

opted

opter

optic

See all 5-letter OP-words
6 letter OP-words icon
30

6-Letter Words Starting With OP

Common 6-letter OP-words:

opened

option

openly

operas

oppose

opaled

opcode

opener

operon

opiate

opioid

opiums

oppida

oppugn

optant

optics

optima

optime

opting

opuses

See all 6-letter OP-words
7 letter OP-words icon
46

7-Letter Words Starting With OP

Common 7-letter OP-words:

opening

opposed

operate

opinion

optical

options

optimal

opacity

opaquer

opaques

opcodes

operose

ophitic

opiates

opioids

opposes

oppugns

optants

optimes

opuscle

See all 7-letter OP-words
8 letter OP-words icon
78

8-Letter Words Starting With OP

Common 8-letter OP-words:

opposite

operated

operator

operates

opponent

opposing

opinions

optional

opaquely

operandi

opercule

ophiuran

opinable

opoponax

oppilate

opticist

optimise

optimums

opulence

opuntias

See all 8-letter OP-words
9 letter OP-words icon
84

9-Letter Words Starting With OP

Common 9-letter OP-words:

operating

operation

opponents

operators

opacifier

opensides

operatics

operative

ophiology

ophiurids

oppressor

opsimaths

optimized

optionees

optioning

optometry

optronics

opulences

opuscular

opusculum

See all 9-letter OP-words
10 letter OP-words icon
81

10-Letter Words Starting With OP

Common 10-letter OP-words:

operations

opposition

opacifying

opalescent

opennesses

ophiolitic

ophthalmia

opinionist

opinionize

opisometer

opopanaxes

oppilation

oppositive

oppressing

oppugnants

opsomanias

opsonising

optimizers

optionally

optologist

See all 10-letter OP-words
11 letter OP-words icon
62

11-Letter Words Starting With OP

Common 11-letter OP-words:

opportunity

operational

operatising

operatizing

operettists

ophiologies

ophiomorphs

ophthalmias

ophthalmist

opinionised

opinionises

opisometers

opisthosoma

oppilations

opportunism

oppositions

opprobriums

optimalised

optimalizes

optometrist

See all 11-letter OP-words
12 letter OP-words icon
61

12-Letter Words Starting With OP

Common 12-letter OP-words:

optimization

opalescences

opeidoscopes

openhandedly

operatorship

ophicalcites

ophiolatrous

ophiological

ophthalmists

ophthalmitis

opinionately

opinionating

opinionators

opportunists

oppositeness

oppressively

oppugnancies

opsonization

optimalising

optometrists

See all 12-letter OP-words
13 letter OP-words icon
38

13-Letter Words Starting With OP

Common 13-letter OP-words:

opportunities

openendedness

openheartedly

ophidiophobic

ophiophilists

ophthalmology

opisthobranch

opisthographs

opisthography

opisthosomata

oppignerating

oppigneration

oppignoration

opportuneness

opportunistic

oppositionism

opsonisations

opsonizations

optimisations

optionalities

See all 13-letter OP-words
14 letter OP-words icon
35

14-Letter Words Starting With OP

Common 14-letter OP-words:

opacifications

openhandedness

operationalist

operationalize

ophthalmitises

ophthalmologic

ophthalmometer

ophthalmoscope

ophthalmoscopy

opisthobranchs

opisthocoelous

opisthographic

opisthotonoses

oppignorations

oppositionisms

oppressiveness

opsonification

optimalisation

optimalization

optimistically

See all 14-letter OP-words
15 letter OP-words icon
28

15-Letter Words Starting With OP

Common 15-letter OP-words:

openheartedness

openmouthedness

operationalises

operationalized

operationalizes

ophthalmologist

ophthalmometers

ophthalmoplegia

ophthalmoplegic

ophthalmoscopes

ophthalmoscopic

opinionatedness

opisthognathism

opisthognathous

opisthographies

opportunenesses

opprobriousness

opsonifications

optimalisations

optoelectronics

See all 15-letter OP-words

571 Common Words Starting with OP

Most Common Length
9
(84 words)
Avg Scrabble Score
15.7
(out of 32)
Most Common Ending
s
(40%)

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

32 Points

The highest scoring word in Scrabble that starts with OP is ophthalmophobia with a total of 32 points.

O 1
P 3
H 4
T 1
H 4
A 1
L 1
M 3
O 1
P 3
H 4
O 1
B 3
I 1
A 1

Words that begin with OP 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 OP and words with OP. Try our five letter words starting with OP 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 OP

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

    There are 571 words in the English dictionary that start with OP, and most of them are 9 letters long (84 words of that length).

  • What's the longest word starting with OP?

    The longest word starting with OP is "opisthographies" at 15 letters long. If you're looking for a more everyday word, "opportunities" is the longest common word starting with OP.

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

    Yes. Uncommon words like "optimalization", "operationalize", "optimization", "opsonization" start with OP and can score big thanks to their unusual letters. "optimalization" is worth 27 points in Scrabble before any bonus tiles.

  • What are the most common words starting with OP?

    Most words starting with OP are 9 letters long, including everyday words like "operating", "operation", "opponents", "operators", "opacifier".

Next to Words Start With OP

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