attribute vs assign

attribute is a noun but assign is not a noun.

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

As verbs, attribute and assign are synonyms defined as:

Other synonyms of attribute include ascribe, impute.

As verbs, attribute and assign are synonyms defined as:

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

attribute (verb)	assign (verb)
attribute or credit to	select something or someone for a specific purpose
decide as to where something belongs in a scheme	attribute or credit to
	decide as to where something belongs in a scheme
	attribute or give
	transfer one's right to
	give out
	make undue claims to having
	give an assignment to (a person) to a post, or assign a task to (a person)