citole vs cittern

citole and cittern both are nouns.

Word	Noun	Adjective	Verb	Adverb
citole	Yes	No	No	No
cittern	Yes	No	No	No

As nouns, citole and cittern are synonyms defined as:

citole and cittern: a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings

Other synonyms of citole include cither, cithern, gittern.

citole (noun)	cittern (noun)
a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings	a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings