SYNERESIS Scrabble 12 Words With Friends 12 Definition noun the contraction of two vowels into a diphthong. — synonyms: synaeresis noun the separation of liquid from a gel that is caused by contraction (as in cheese making). — synonyms: synaeresis See all 121 words you can make from SYNERESIS → 9-letter words Words starting with S Words ending with S ← Unscramble different letters