specification vs naming

specification and naming both are nouns.

Word	Noun	Adjective	Verb	Adverb
specification	Yes	No	No	No
naming	Yes	Yes	No	No

As nouns, naming is a hypernym of specification; that is, naming is a word with a broader meaning than specification:

specification (noun)	naming (noun)
a restriction that is insisted upon as a condition for an agreement	the act of putting a person into a non-elective position
a detailed description of design criteria for a piece of work	the verbal act of naming
naming explicitly
(patent law) a document drawn up by the applicant for a patent of invention that provides an explicit and detailed description of the nature and use of an invention

specification (adjective)	naming (adjective)
	inclined to or serving for the giving of names