comparability vs comparison

comparability and comparison both are nouns.

Word	Noun	Adjective	Verb	Adverb
comparability	Yes	No	No	No
comparison	Yes	No	No	No

As nouns, comparability and comparison are synonyms defined as:

Other synonyms of comparability include compare, equivalence.

comparability (noun)	comparison (noun)
qualities that are comparable	the act of examining resemblances
	qualities that are comparable
	relation based on similarities and differences