decorous vs becoming

decorous and becoming both are adjectives.

Word	Noun	Adjective	Verb	Adverb
decorous	No	Yes	No	No
becoming	No	Yes	No	No

As adjectives, decorous and becoming are synonyms defined as:

Other synonyms of decorous include comely, comme il faut, seemly.

decorous (adjective)	becoming (adjective)
characterized by propriety and dignity and good taste in manners and conduct	displaying or setting off to best advantage
according with custom or propriety	according with custom or propriety