starvation vs famishment

starvation and famishment both are nouns.

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

As nouns, starvation and famishment are synonyms defined as:

starvation and famishment: a state of extreme hunger resulting from lack of essential nutrients over a prolonged period

starvation (noun)	famishment (noun)
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
a state of extreme hunger resulting from lack of essential nutrients over a prolonged period