patently vs obviously

patently and obviously both are adverbs.

Word	Noun	Adjective	Verb	Adverb
patently	No	No	No	Yes
obviously	No	No	No	Yes

As adverbs, patently and obviously are synonyms defined as:

patently and obviously: unmistakably (`plain' is often used informally for `plainly')

Other synonyms of patently include apparently, evidently, manifestly, plain, plainly.

patently (adverb)	obviously (adverb)
unmistakably (`plain' is often used informally for `plainly')	unmistakably (`plain' is often used informally for `plainly')