Scrabble Word Checker
O1P3S1O1N1I1N1S1
10 points

OPSONINS is validvalid

OPSONIN, an antibody of blood serum [n]

75,496 of 196,601 in NWL2023·also valid in CSW24

OPSONIN, a substance of blood serum making bacteria vulnerable to phagocytic action [n]

164,400 of 280,887 in CSW24·also valid in NWL2023