face cloth vs flannel

face cloth and flannel both are nouns.

Word	Noun	Adjective	Verb	Adverb
face cloth	Yes	No	No	No
flannel	Yes	No	No	No

As nouns, face cloth and flannel are synonyms defined as:

face cloth and flannel: bath linen consisting of a piece of cloth used to wash the face and body

Other synonyms of face cloth include washcloth, washrag.

face cloth (noun)	flannel (noun)
bath linen consisting of a piece of cloth used to wash the face and body	a soft light woolen fabric; used for clothing
	bath linen consisting of a piece of cloth used to wash the face and body
	(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth