fractionate vs fraction

fractionate is not a noun while fraction is a noun.

Word	Noun	Adjective	Verb	Adverb
fractionate	No	No	Yes	No
fraction	Yes	No	Yes	No

fractionate (noun)	fraction (noun)
	a small part or item forming a piece of a whole
	the quotient of two rational numbers
	a component of a mixture that has been separated by a fractional process

fractionate (verb)	fraction (verb)
obtain by a fractional process	perform a division
separate into constituents or fractions containing concentrated constituents