attribution vs classification

attribution and classification both are nouns.

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

As nouns, classification is a hypernym of attribution; that is, classification is a word with a broader meaning than attribution:

attribution: assigning to a cause or source
classification: the basic cognitive process of arranging into classes or categories

Other hypernyms of attribution include categorisation, categorization, sorting.

As nouns, classification is a hypernym of attribution; that is, classification is a word with a broader meaning than attribution:

attribution: assigning some quality or character to a person or thing
classification: the basic cognitive process of arranging into classes or categories

Other hypernyms of attribution include categorisation, categorization, sorting.

attribution (noun)	classification (noun)
assigning to a cause or source	the act of distributing things into classes or categories of the same type
assigning some quality or character to a person or thing	restriction imposed by the government on documents or weapons that are available only to certain authorized people
	the basic cognitive process of arranging into classes or categories
	a group of people or things arranged by class or category