SHAMMOSIM is validvalid

SHAMMES, a minor official of a synagogue [n] / SHAMMOS, shammes [n]

113,556 of 196,601 in NWL2023·also valid in CSW24

SHAMMOS, (Hebrew) the sexton in a synagogue; the candle used to light the other 8 candles of a Chanukah menorah, also SHAMMAS, SHAMMASH, SHAMMES, SHAMOS [n]