SHAMOSIM is validvalid

SHAMAS, shammes [n] / SHAMES, shammes [n] / SHAMOS, shammes [n]

81,739 of 196,601 in NWL2023·also valid in CSW24

SHAMOS, (Yiddish) a minor official of a synagogue, also SHAMMES, SHAMAS, SHAMMAS, SHAMMASH, SHAMMOS [n]