SINE /saɪn/ Scrabble 4 Words With Friends 5 Scrabble letter values: S1I1N1E1 = 4 Definition noun ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle. — synonyms: sin See all 12 words you can make from SINE → 4-letter words Words starting with S Words ending with E ← Unscramble different letters