• ipsonin,
• kpsonin,
• lpsonin,
• ppsonin,
• 0psonin,
• 9psonin,
• oosonin,
• olsonin,
• o-sonin,
• o0sonin,
• opaonin,
• opzonin,
• opxonin,
• opsinin,
• oppsonin,
• opsoinin,
• opssonin,
• Opasnin,
• Opsenin,
• Opsonen

• opsonize,
• opposing,
• opsin.

The adjective form of the word "opsonin" is "opsonic".

The plural of the "opsonin" can be the "opsonins".

The singular of the "opsonin" can be the "opsonin".