1. The religion of the Parsces.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• oarseeism,
• larseeism,
• -arseeism,
• 0arseeism,
• pzrseeism,
• psrseeism,
• pwrseeism,
• pqrseeism,
• paeseeism,
• padseeism,
• pafseeism,
• patseeism,
• parseeoism,
• parseesim,
• perseeism,
• parceeism,
• parsism,
• parshism,
• Parseisim,
• Parsesim

• parsiism,
• parsec.

The adjective form of the word "parseeism" is "Parsee".

The plural form of the word "parseeism" is "parseeisms".

The singular form of the word "parseeism" is "parseeism". The term does not have a distinct singular form as it refers to the religious or cultural beliefs and practices of the Parsi community.