naturalist vs phytology

naturalist and phytology both are nouns.

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

naturalist (noun)	phytology (noun)
a biologist knowledgeable about natural history (especially botany and zoology)	the branch of biology that studies plants
an advocate of the doctrine that the world can be understood in scientific terms