comely vs decorous

comely and decorous both are adjectives.

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

As adjectives, comely and decorous are synonyms defined as:

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

comely (adjective)	decorous (adjective)
very pleasing to the eye	characterized by propriety and dignity and good taste in manners and conduct
according with custom or propriety	according with custom or propriety