Letter is valid Scrabble Word

Is letter a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is letter valid Words with Friends?
Words with Friends YES

Definitions for LETTER in dictionary:

Words related to LETTER

lettered9 letterer8 letterers9 lettering10 letterless10 letters7 lettre6 missive12

How to use LETTER in a sentence

Find what other words can be done using letters: "letter"
https://scrabble-word.com/finder/letter
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