emasculation vs effeminateness

emasculation and effeminateness both are nouns.

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

As nouns, effeminateness is a hypernym of emasculation; that is, effeminateness is a word with a broader meaning than emasculation:

Other hypernyms of emasculation include effeminacy, sissiness, softness, unmanliness, womanishness.

emasculation (noun)	effeminateness (noun)
neutering a male animal by removing the testicles	the trait of being effeminate (derogatory of a man)
loss of power and masculinity