flannel mullein vs common mullein

flannel mullein and common mullein both are nouns.

Word	Noun	Adjective	Verb	Adverb
flannel mullein	Yes	No	No	No
common mullein	Yes	No	No	No

As nouns, flannel mullein and common mullein are synonyms defined as:

flannel mullein and common mullein: tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches

Other synonyms of flannel mullein include Aaron's rod, great mullein, torch, Verbascum thapsus, woolly mullein.

flannel mullein (noun)	common mullein (noun)
tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches	tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches