inevitably vs needs

inevitably and needs both are adverbs.

Word	Noun	Adjective	Verb	Adverb
inevitably	No	No	No	Yes
needs	No	No	No	Yes

As adverbs, inevitably and needs are synonyms defined as:

Other synonyms of inevitably include necessarily, of necessity.

inevitably (adverb)	needs (adverb)
in such a manner as could not be otherwise	in such a manner as could not be otherwise
by necessity