fissiparous vs biology

fissiparous is not a noun while biology is a noun.

Word	Noun	Adjective	Verb	Adverb
fissiparous	No	Yes	No	No
biology	Yes	No	No	No

fissiparous (noun)	biology (noun)
	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms

fissiparous (adjective)	biology (adjective)
reproducing by fission
having separated or advocating separation from another entity or policy or attitude