1. Divination by the letters of a name.

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

• inomancy,
• knomancy,
• lnomancy,
• pnomancy,
• 0nomancy,
• 9nomancy,
• obomancy,
• omomancy,
• ojomancy,
• ohomancy,
• onimancy,
• onomnacy,
• mnomancy,
• Onamancy,
• onamanty,
• onomancie,
• onomancay,
• onomancae,
• onomante,
• onomancye

• one-man,
• onomancer,
• one-woman.

The adjective form of the word "onomancy" is "onomantic".

The plural of the "onomancy" can be the "onomancies".

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