starving vs starvation

starving and starvation both are nouns.

Word	Noun	Adjective	Verb	Adverb
starving	Yes	Yes	No	No
starvation	Yes	No	No	No

As nouns, starving and starvation are synonyms defined as:

starving and starvation: the act of depriving of food or subjecting to famine

starving (noun)	starvation (noun)
the act of depriving of food or subjecting to famine	the act of depriving of food or subjecting to famine
	a state of extreme hunger resulting from lack of essential nutrients over a prolonged period

starving (adjective)	starvation (adjective)
suffering from lack of food