TRISOMY /ˈtɹʌɪ.sə(ʊ)mi/ Scrabble 12 Words With Friends 12 Scrabble letter values: T1R1I1S1O1M3Y4 = 12 Definition noun chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell. See all 93 words you can make from TRISOMY → 7-letter words Words starting with T Words ending with Y ← Unscramble different letters