rottenly vs abominably

rottenly and abominably both are adverbs.

Word	Noun	Adjective	Verb	Adverb
rottenly	No	No	No	Yes
abominably	No	No	No	Yes

As adverbs, rottenly and abominably are synonyms defined as:

Other synonyms of rottenly include abysmally, atrociously, awfully, terribly.

rottenly (adverb)	abominably (adverb)
in a terrible manner	in a terrible manner
	in an offensive and hateful manner