plectron vs plectrum

plectron and plectrum both are nouns.

Word	Noun	Adjective	Verb	Adverb
plectron	Yes	No	No	No
plectrum	Yes	No	No	No

As nouns, plectron and plectrum are synonyms defined as:

plectron and plectrum: a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument

Other synonyms of plectron include pick.

plectron (noun)	plectrum (noun)
a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument	a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument