attribute vs ascribe

attribute is a noun but ascribe is not a noun.

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

As verbs, attribute and ascribe are synonyms defined as:

Other synonyms of attribute include assign, impute.

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

attribute (verb)	ascribe (verb)
attribute or credit to	attribute or credit to
decide as to where something belongs in a scheme