obstinately vs stubbornly

obstinately and stubbornly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
obstinately	No	No	No	Yes
stubbornly	No	No	No	Yes

As adverbs, obstinately and stubbornly are synonyms defined as:

Other synonyms of obstinately include cussedly, mulishly, obdurately, pig-headedly.

obstinately (adverb)	stubbornly (adverb)
in a stubborn unregenerate manner	in a stubborn unregenerate manner