effeminateness vs unmanliness

effeminateness and unmanliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
effeminateness	Yes	No	No	No
unmanliness	Yes	No	No	No

As nouns, effeminateness and unmanliness are synonyms defined as:

effeminateness and unmanliness: the trait of being effeminate (derogatory of a man)

Other synonyms of effeminateness include effeminacy, sissiness, softness, womanishness.

effeminateness (noun)	unmanliness (noun)
the trait of being effeminate (derogatory of a man)	the trait of being effeminate (derogatory of a man)