physiology vs afferent

physiology and afferent both are nouns.

Word	Noun	Adjective	Verb	Adverb
physiology	Yes	No	No	No
afferent	Yes	Yes	No	No

physiology (noun)	afferent (noun)
processes and functions of an organism	a nerve that passes impulses from receptors toward or to the central nervous system
the branch of the biological sciences dealing with the functioning of organisms

physiology (adjective)	afferent (adjective)
	of nerves and nerve impulses; conveying sensory information from the sense organs to the CNS