phytology vs clathrate

phytology is a noun but clathrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
phytology	Yes	No	No	No
clathrate	No	Yes	No	No

phytology (noun)	clathrate (noun)
the branch of biology that studies plants

phytology (adjective)	clathrate (adjective)
	designating or relating to a compound in which one component is physically enclosed within the crystal structure of another
	having a latticelike structure pierced with holes or windows