phytology vs callus

phytology and callus both are nouns.

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

phytology (noun)	callus (noun)
the branch of biology that studies plants	(botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid
	bony tissue formed during the healing of a fractured bone
	an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)

phytology (verb)	callus (verb)
	form a callus or calluses
	cause a callus to form on