ok is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE)

Endorsement; approval; acceptance; acquiescence.
• We can start as soon as we get the OK.
(Hong Kong) Karaoke.

Verb

(transitive) To approve; to accept; to acquiesce to.
• I don't want to OK this amount of money.
(transitive computing) To confirm by activating a button marked OK.

Adjective (COMPARABLE)

All right, acceptable, permitted.
• Do you think it's OK to stay here for the night?
Satisfactory, reasonably good; not exceptional.
• The soup was OK, but the dessert was excellent.
Satisfied (with); willing to accept a state of affairs.

Adverb (COMPARABLE)

Satisfactorily, sufficiently well.
• The team did OK in the playoffs.

Interjection

Used to indicate acknowledgement or acceptance.
• Synonym: okey-dokey, okeh, okey, k, 'kay, m'kay, A-OK, all right
(computing) Used to dismiss a dialog box or confirm a prompt.
Used to introduce a sentence in order to draw attention to the importance of what is being said.
• Synonym: now, now then

Proper noun

United States postal abbreviation for Oklahoma, a state of the United States of America.

ok is not a Scrabble valid word

ok

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

ok is an iScramble, QuickWords valid word

ok

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• KO

Same letters plus one

• AOK
• BOK
• EKO
• FOK
• HOK
• IOK
• KAO
• KBO
• KEO
• KHO
• KJO
• KMO
• KNO
• KOA
• KOB
• KOC
• KOF
• KOI
• KOK
• KOL
• KOM
• KOO
• KOP
• KOR
• KOS
• KOT
• KOW
• KOY
• KUO
• KVO
• MOK
• NKO
• NOK
• OAK
• OCK
• OHK
• OIK
• OKA
• OKB
• OKC
• OKE
• OKI
• OKO
• OKR
• OKS
• OKU
• OLK
• OOK
• ORK
• OTK
• POK
• RKO
• ROK
• SOK
• TKO
• TOK
• WOK
• YOK

Same letters minus one

• none