on purpose vs advisedly

on purpose and advisedly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
on purpose	No	No	No	Yes
advisedly	No	No	No	Yes

As adverbs, on purpose and advisedly are synonyms defined as:

Other synonyms of on purpose include by choice, by design, deliberately, designedly, intentionally, purposely.

on purpose (adverb)	advisedly (adverb)
with intention; in an intentional manner	with intention; in an intentional manner