lepton vs electron

lepton and electron both are nouns.

Word	Noun	Adjective	Verb	Adverb
lepton	Yes	No	No	No
electron	Yes	No	No	No

As nouns, electron is a hyponym of lepton; that is, electron is a word with a more specific, narrower meaning than lepton:

lepton: an elementary particle that participates in weak interactions; has a baryon number of 0
electron: an elementary particle with negative charge

Other hyponyms of lepton include negatron, mu-meson, muon, negative muon, neutrino, tau-minus particle, tauon.

lepton (noun)	electron (noun)
an elementary particle that participates in weak interactions; has a baryon number of 0	an elementary particle with negative charge
100 lepta equal 1 drachma in Greece