OB Scrabble Word

Is OB a scrabble word?

OB is a scrabble word that worth 4 points.

OB (noun)

a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea.
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There are 2 letters B O to form a word: OB. From the combination of these letters, we can form 2 scrabble words as the following:

2 Letters