deck vs adorn

deck is a noun but adorn is not a noun.

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

As verbs, adorn is a hypernym of deck; that is, adorn is a word with a broader meaning than deck:

Other hypernyms of deck include beautify, decorate, embellish, grace, ornament.

As verbs, deck and adorn are synonyms defined as:

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

deck (noun)	adorn (noun)
any of various platforms built into a vessel
street name for a packet of illegal drugs
a porch that resembles the deck on a ship
a pack of 52 playing cards

deck (verb)	adorn (verb)
knock down with force	make more attractive by adding ornament, colour, etc.
decorate	furnish with power or authority; of kings or emperors
be beautiful to look at	be beautiful to look at