OPSONINS is a playable word

opsonin Scrabble® Dictionary

noun
pl. opsonins
an antibody of blood serum
79 Playable Words can be made from "OPSONINS"
   2-Letter Words (11 found)
   3-Letter Words (21 found)
   5-Letter Words (13 found)
   6-Letter Words (7 found)
   7-Letter Words (3 found)
   8-Letter Words (2 found)