tensity vs tenseness

tensity and tenseness both are nouns.

Word	Noun	Adjective	Verb	Adverb
tensity	Yes	No	No	No
tenseness	Yes	No	No	No

As nouns, tensity and tenseness are synonyms defined as:

tensity and tenseness: the physical condition of being stretched or strained

Other synonyms of tensity include tautness, tension.

tensity (noun)	tenseness (noun)
the physical condition of being stretched or strained	the physical condition of being stretched or strained
	(psychology) a state of mental or emotional strain or suspense