perception vs smell

perception and smell both are nouns.

Word	Noun	Adjective	Verb	Adverb
perception	Yes	No	No	No
smell	Yes	No	Yes	No

As nouns, smell is a hyponym of perception; that is, smell is a word with a more specific, narrower meaning than perception:

Other hyponyms of perception include look, looking, looking at, hearing, listening, lipreading, taste, tasting, smelling.

perception (noun)	smell (noun)
becoming aware of something via the senses	the act of perceiving the odor of something
the process of perceiving	any property detected by the olfactory system
the representation of what is perceived; basic component in the formation of a concept	the faculty that enables us to distinguish scents
a way of conceiving something	the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
knowledge gained by perceiving	the general atmosphere of a place or situation and the effect that it has on people

perception (verb)	smell (verb)
	become aware of not through the senses but instinctively
	emit an odor
	inhale the odor of; perceive by the olfactory sense
	smell bad
	have an element suggestive (of something)