genuinely vs really

genuinely and really both are adverbs.

Word	Noun	Adjective	Verb	Adverb
genuinely	No	No	No	Yes
really	No	No	No	Yes

As adverbs, genuinely and really are synonyms defined as:

Other synonyms of genuinely include truly.

genuinely (adverb)	really (adverb)
in accordance with truth or fact or reality	used to give emphasis
genuinely; with authority	in fact (used as intensifiers or sentence modifiers)
	in accordance with truth or fact or reality
	in actual fact