1. The religion of Mohammed.

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

• mohammadaniszm,
• mohamadanism,
• nohammedanism,
• kohammedanism,
• johammedanism,
• mihammedanism,
• mkhammedanism,
• mlhammedanism,
• mphammedanism,
• m0hammedanism,
• m9hammedanism,
• mogammedanism,
• moohammedanism,
• mohammetanism,
• mohammedanise,
• muhammedanism,
• mohammedism,
• mohammedanized,
• mohammedanize,
• Muhamedanism

• mohammedan,
• muhammadan,
• muhammadanism,
• mohammadanism,
• muhammedan.

The adjective form of the word "Mohammedanism" is "Mohammedan" or "Muhammadan". However, it is important to note that using terms like "Mohammedan" or "Muhammadan" to refer to Islam or Muslim people is considered outdated and potentially offensive. It is more appropriate to use the terms "Muslim" or "Islamic".

The plural form of the word "Mohammedanism" is "Mohammedanisms".

The singular form of the word "Mohammedanism" is "Mohammedanism". However, it is worth noting that this term has fallen out of favor and is often considered outdated or even offensive. The preferred term to describe the Islamic faith is "Islam".