4 Letter Words Starting With O
There are 112 four-letter words starting with O in the official Scrabble US & Canada word list. Start with the common words below, or jump into the full list grouped by second letter.
Common 4 letter words starting with O
Everyday English words, most frequent first.
- ONLY7
- OVER7
- ONCE6
- OPEN6
- ONES4
- OKAY11
- ONTO4
- ODDS6
- ORAL4
- OWNS7
- OURS4
- OVEN7
- OLDS5
- OVAL7
- OATH7
- OILS4
- OUTS4
- OWED8
- OBEY9
- OFFS10
- OOPS6
- OWES7
- OTTO4
- OAKS8
- OUCH9
- ODOR5
- OWLS7
- OATS4
- OILY7
- ORGY8
Highest scoring 4 letter words starting with O
- OOZY16
- OYEZ16
- ONYX14
- ORYX14
- OOZE13
- ORZO13
- OUZO13
- OXIM13
- OXID12
- OAKY11
- OKAY11
- OKEH11
Quick facts
- 112 valid Scrabble words; 37 of them are everyday English words (33%).
- Most common pattern: OR__ with 14 words (for example ORAL, ORGY, ORCS).
- 89 words have no repeated letters (79%) — useful when you want to test as many letters as possible.
- 40 end in S (often plurals or verb forms).
- 17 contain only one vowel.
- 107 are also valid in Words With Friends (ENABLE list).
All 112 4 letter words starting with O
OA… (7)
- OAFS7
- OAKS8
- OAKY11
- OARS4
- OAST4
- OATH7
- OATS4
OB… (8)
- OBAS6
- OBES6
- OBEY9
- OBIA6
- OBIS6
- OBIT6
- OBOE6
- OBOL6
OC… (1)
- OCAS6
OD… (8)
- ODAH8
- ODAS5
- ODDS6
- ODEA5
- ODES5
- ODIC7
- ODOR5
- ODYL8
OF… (2)
- OFAY10
- OFFS10
OG… (4)
- OGAM7
- OGEE5
- OGLE5
- OGRE5
OH… (3)
- OHED8
- OHIA7
- OHMS9
OI… (3)
- OILS4
- OILY7
- OINK8
OK… (5)
- OKAS8
- OKAY11
- OKEH11
- OKES8
- OKRA8
OL… (7)
- OLDS5
- OLDY8
- OLEA4
- OLEO4
- OLES4
- OLIO4
- OLLA4
OM… (3)
- OMEN6
- OMER6
- OMIT6
ON… (7)
- ONCE6
- ONES4
- ONLY7
- ONOS4
- ONTO4
- ONUS4
- ONYX14
OO… (5)
- OOHS7
- OOPS6
- OOTS4
- OOZE13
- OOZY16
OP… (7)
- OPAH9
- OPAL6
- OPED7
- OPEN6
- OPES6
- OPTS6
- OPUS6
OR… (14)
- ORAD5
- ORAL4
- ORBS6
- ORBY9
- ORCA6
- ORCS6
- ORDO5
- ORES4
- ORGY8
- ORLE4
- ORRA4
- ORTS4
- ORYX14
- ORZO13
OS… (3)
- OSAR4
- OSES4
- OSSA4
OT… (2)
- OTIC6
- OTTO4
OU… (7)
- OUCH9
- OUDS5
- OUPH9
- OURS4
- OUST4
- OUTS4
- OUZO13
OV… (4)
- OVAL7
- OVEN7
- OVER7
- OVUM9
OW… (5)
- OWED8
- OWES7
- OWLS7
- OWNS7
- OWSE7
OX… (4)
- OXEN11
- OXES11
- OXID12
- OXIM13
OY… (3)
- OYER7
- OYES7
- OYEZ16
Tips for using these words
In Scrabble, OOZY is the highest base score here (16 points). Put the high-value tile on a double or triple letter square to multiply it.
If you already know the first letter, narrow the list with the jump links above: most four-letter words starting with O continue with R.
Scores are base tile values in Scrabble US & Canada. Use the word finder to see which words your own rack can make.
Frequently asked questions
How many 4 letter words start with O?
There are 112 four-letter words starting with O in the official Scrabble US & Canada word list (TWL06). 37 of them are common everyday words.
What are common 4 letter words starting with O?
Common examples include ONLY, OVER, ONCE, OPEN, ONES, OKAY, ONTO, ODDS, ORAL, OWNS.
What is the highest scoring 4 letter word starting with O?
OOZY scores 16 points before board multipliers. Other high scorers are OYEZ, ONYX, ORYX, OOZE.
How many of these words have no repeated letters?
89 of the 112 words use 4 different letters.
Are these words valid in Scrabble and Words With Friends?
All 112 are valid in Scrabble US & Canada (TWL06). 107 are also in the ENABLE list used by Words With Friends.