ARRHYTHMIA /eɪˈɹɪðmɪə/ Scrabble 21 Words With Friends 19 Scrabble letter values: A1R1R1H4Y4T1H4M3I1A1 = 21 Definition noun an abnormal rate of muscle contractions in the heart. — synonyms: cardiac_arrhythmia See all 115 words you can make from ARRHYTHMIA → 10-letter words Words starting with A Words ending with A ← Unscramble different letters