OCTAL /ˈɒk.təl/ Scrabble 7 Words With Friends 9 Scrabble letter values: O1C3T1A1L1 = 7 Definition adjective of or pertaining to a number system having 8 as its base. Examples “an octal digit” See all 30 words you can make from OCTAL → 5-letter words Words starting with O Words ending with L ← Unscramble different letters