cither vs gittern

cither and gittern both are nouns.

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

As nouns, cither and gittern are synonyms defined as:

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

Other synonyms of cither include cithern, citole, cittern.

cither (noun)	gittern (noun)
a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers	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