LГ©otard and Silhouette, e.g.

• Nikola Tesla and Louis Chevrolet
• Guillotine and Oscar, e.g
• Words derived from people's names
• Watt and Newton, for two
• People things are named for
• People who lend their names to things
• Names turned into words
• Watt and Ampere, to the watt and ampere
• Cardigan and leotard, e.g

Wiktionary Word definitions in Wiktionary
n. (plural of eponym English)