mulishly vs cussedly

mulishly and cussedly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
mulishly	No	No	No	Yes
cussedly	No	No	No	Yes

As adverbs, mulishly and cussedly are synonyms defined as:

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

mulishly (adverb)	cussedly (adverb)
in a stubborn unregenerate manner	in a stubborn unregenerate manner