moron vs half-wit

moron and half-wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
moron	Yes	No	No	No
half-wit	Yes	No	No	No

As nouns, moron and half-wit are synonyms defined as:

Other synonyms of moron include changeling, cretin, idiot, imbecile, retard.

moron (noun)	half-wit (noun)
a person of subnormal intelligence	a stupid incompetent person
	a person of subnormal intelligence