factor analytical vs factor analysis

factor analytical is not a noun while factor analysis is a noun.

Word	Noun	Adjective	Verb	Adverb
factor analytical	No	Yes	No	No
factor analysis	Yes	No	No	No

factor analytical (noun)	factor analysis (noun)
	any of several methods for reducing correlational data to a smaller number of dimensions or factors; beginning with a correlation matrix a small number of components or factors are extracted that are regarded as the basic variables that account for the interrelations observed in the data

factor analytical (adjective)	factor analysis (adjective)
of or relating to or the product of factor analysis