tensional vs tension

tensional is not a noun while tension is a noun.

Word	Noun	Adjective	Verb	Adverb
tensional	No	Yes	No	No
tension	Yes	No	No	No

tensional (noun)	tension (noun)
	the action of stretching something tight
	(physics) a stress that produces an elongation of an elastic physical body
	feelings of hostility that are not manifest
	the physical condition of being stretched or strained
	a balance between and interplay of opposing elements or tendencies (especially in art or literature)
	(psychology) a state of mental or emotional strain or suspense

tensional (adjective)	tension (adjective)
of or relating to or produced by tension