1. Redundancy of words, or the use of more than necessary.

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

• oleonasm,
• lleonasm,
• -leonasm,
• 0leonasm,
• pkeonasm,
• ppeonasm,
• poeonasm,
• plwonasm,
• plsonasm,
• pldonasm,
• plronasm,
• pl4onasm,
• pleonazm,
• plenasm,
• pleonast,
• plaonaste,
• pleonaast,
• pleonastt,
• pheonsal,
• pleonaxia

• Plonka,
• planas,
• pleonaste,
• pleonastic.

The adjective form of the word "pleonasm" is "pleonastic".

The plural of the "pleonasm" can be the "pleonasms".

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