specific vs specificity

specific and specificity both are nouns.

Word	Noun	Adjective	Verb	Adverb
specific	Yes	Yes	No	No
specificity	Yes	No	No	No

specific (noun)	specificity (noun)
a medicine that has a mitigating effect on a specific disease	the quality of being specific rather than general
a fact about some part (as opposed to general)	the quality of being specific to a particular organism

specific (adjective)	specificity (adjective)
(sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique
being or affecting a disease produced by a particular microorganism or condition; used also of stains or dyes used in making microscope slides
relating to or distinguishing or constituting a taxonomic species
stated explicitly or in detail