plainly vs patently

plainly and patently both are adverbs.

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

As adverbs, plainly and patently are synonyms defined as:

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

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

plainly (adverb)	patently (adverb)
unmistakably (`plain' is often used informally for `plainly')	unmistakably (`plain' is often used informally for `plainly')
in a simple manner; without extravagance or embellishment