fractional vs unity

fractional is not a noun while unity is a noun.

Word	Noun	Adjective	Verb	Adverb
fractional	No	Yes	No	No
unity	Yes	No	No	No

fractional (noun)	unity (noun)
	the quality of being united into one
	the smallest whole number or a numeral representing this number
	an undivided or unbroken completeness or totality with nothing wanting

fractional (adjective)	unity (adjective)
constituting or comprising a part or fraction of a possible whole or entirety
constituting a division or an aliquot part of the basic monetary unit