adorn vs decorate

adorn and decorate both are verbs.

Word	Noun	Adjective	Verb	Adverb
adorn	No	No	Yes	No
decorate	No	No	Yes	No

As verbs, adorn and decorate are synonyms defined as:

adorn and decorate: make more attractive by adding ornament, colour, etc.

Other synonyms of adorn include beautify, embellish, grace, ornament.

As verbs, adorn and decorate are synonyms defined as:

Other synonyms of adorn include beautify, deck, embellish, grace.

adorn (verb)	decorate (verb)
make more attractive by adding ornament, colour, etc.	provide with decoration
furnish with power or authority; of kings or emperors	make more attractive by adding ornament, colour, etc.
be beautiful to look at	award a mark of honor, such as a medal, to
	be beautiful to look at