decently vs properly

decently and properly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
decently	No	No	No	Yes
properly	No	No	No	Yes

As adverbs, decently and properly are synonyms defined as:

Other synonyms of decently include decent, right.

decently (adverb)	properly (adverb)
in a decent manner	in the right manner; correctly; suitably
in the right manner; correctly; suitably	in accordance with what is appropriate or suitable for the circumstances
	indicating exactness or preciseness