disregarding vs disregardless

disregarding and disregardless both are adverbs.

Word	Noun	Adjective	Verb	Adverb
disregarding	No	No	No	Yes
disregardless	No	No	No	Yes

As adverbs, disregarding and disregardless are synonyms defined as:

disregarding and disregardless: in spite of everything; without regard to drawbacks

Other synonyms of disregarding include irrespective, no matter, regardless.

disregarding (adverb)	disregardless (adverb)
in spite of everything; without regard to drawbacks	in spite of everything; without regard to drawbacks