feminine vs womanly

feminine is a noun but womanly is not a noun.

Word	Noun	Adjective	Verb	Adverb
feminine	Yes	Yes	No	No
womanly	No	Yes	No	No

As adjectives, feminine and womanly are synonyms defined as:

feminine and womanly: befitting or characteristic of a woman especially a mature woman

feminine (noun)	womanly (noun)
a gender that refers chiefly (but not exclusively) to females or to objects classified as female

feminine (adjective)	womanly (adjective)
associated with women and not with men	befitting or characteristic of a woman especially a mature woman
female (of grammatical gender)
befitting or characteristic of a woman especially a mature woman
(music or poetry) ending on an unaccented beat or syllable