accredit vs attribute

accredit is not a noun while attribute is a noun.

Word	Noun	Adjective	Verb	Adverb
accredit	No	No	Yes	No
attribute	Yes	No	Yes	No

As verbs, attribute is a hypernym of accredit; that is, attribute is a word with a broader meaning than accredit:

Other hypernyms of accredit include ascribe, assign, impute.

accredit (noun)	attribute (noun)
	an abstraction belonging to or characteristic of an entity
	a construct whereby objects or individuals can be distinguished

accredit (verb)	attribute (verb)
ascribe an achievement to	attribute or credit to
grant credentials to	decide as to where something belongs in a scheme
provide or send (envoys or ambassadors) with official credentials