apogametic vs phytology

apogametic is not a noun while phytology is a noun.

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

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

apogametic (adjective)	phytology (adjective)
of or relating to the development of an embryo in the absence of fertilization