precise vs hairsplitting

precise is not a noun while hairsplitting is a noun.

Word	Noun	Adjective	Verb	Adverb
precise	No	Yes	No	No
hairsplitting	Yes	Yes	No	No

precise (noun)	hairsplitting (noun)
	making too fine distinctions of little importance

precise (adjective)	hairsplitting (adjective)
sharply exact or accurate or delimited	developed in excessively fine detail
(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct