independently vs severally

independently and severally both are adverbs.

Word	Noun	Adjective	Verb	Adverb
independently	No	No	No	Yes
severally	No	No	No	Yes

As adverbs, independently and severally are synonyms defined as:

independently (adverb)	severally (adverb)
on your own; without outside help	apart from others
individually or separately	individually or separately
	in the order given