OK - Wikipedia
OK (spelling variations include okay, O.K., ok and Ok) is an English word (originally American English) denoting approval, acceptance, agreement, assent, acknowledgment, or a sign of indifference. OK is frequently used as a loanword in other languages. It has been described as the most frequently spoken or written word on the planet. Its origins are disputed.
DA: 96 PA: 58 MOZ Rank: 32