flannel vs washcloth

flannel and washcloth both are nouns.

Word	Noun	Adjective	Verb	Adverb
flannel	Yes	No	No	No
washcloth	Yes	No	No	No

As nouns, flannel and washcloth are synonyms defined as:

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

Other synonyms of flannel include face cloth, washrag.

flannel (noun)	washcloth (noun)
a soft light woolen fabric; used for clothing	bath linen consisting of a piece of cloth used to wash the face and body
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