People after whom things are named

• Watt and Ampere, to the watt and ampere
• Seattle and Vancouver
• Cardigan and leotard, e.g
• Louis Braille and Les Paul
• Nikola Tesla and Louis Chevrolet
• People things are named for
• Ancestors for whom tribes are named
• Names derived from people
• Leotard and Silhouette, e.g

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