perceive vs smell out

perceive and smell out both are verbs.

Word	Noun	Adjective	Verb	Adverb
perceive	No	No	Yes	No
smell out	No	No	Yes	No

As verbs, smell out is a hyponym of perceive; that is, smell out is a word with a more specific, narrower meaning than perceive:

Other hyponyms of perceive include sense, smell.

perceive (verb)	smell out (verb)
become conscious of	become aware of not through the senses but instinctively
to become aware of through the senses	recognize or detect by or as if by smelling