attribute vs attribution

attribute and attribution both are nouns.

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

attribute (noun)	attribution (noun)
an abstraction belonging to or characteristic of an entity	assigning to a cause or source
a construct whereby objects or individuals can be distinguished	assigning some quality or character to a person or thing

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