gittern vs cittern

gittern and cittern both are nouns.

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

As nouns, gittern and cittern are synonyms defined as:

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

Other synonyms of gittern include cither, cithern, citole.

gittern (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