naming vs nomination

naming and nomination both are nouns.

Word	Noun	Adjective	Verb	Adverb
naming	Yes	Yes	No	No
nomination	Yes	No	No	No

As nouns, nomination is a hyponym of naming; that is, nomination is a word with a more specific, narrower meaning than naming:

Other hyponyms of naming include co-optation, co-option, delegacy, ordinance, ordination, recognition.

naming (noun)	nomination (noun)
the act of putting a person into a non-elective position	the act of officially naming a candidate
the verbal act of naming	an address (usually at a political convention) proposing the name of a candidate to run for election
	the condition of having been proposed as a suitable candidate for appointment or election

naming (adjective)	nomination (adjective)
inclined to or serving for the giving of names