generational vs generation

generational is not a noun while generation is a noun.

Word	Noun	Adjective	Verb	Adverb
generational	No	Yes	No	No
generation	Yes	No	No	No

generational (noun)	generation (noun)
	the act of producing offspring or multiplying by such production
	the production of heat or electricity
	a coming into being
	group of genetically related organisms constituting a single step in the line of descent
	all the people living at the same time or of approximately the same age
	the normal time between successive generations
	a stage of technological development or innovation

generational (adjective)	generation (adjective)
of or relating to a generation