olfactology vs discipline

olfactology and discipline both are nouns.

Word	Noun	Adjective	Verb	Adverb
olfactology	Yes	No	No	No
discipline	Yes	No	Yes	No

As nouns, discipline is a hypernym of olfactology; that is, discipline is a word with a broader meaning than olfactology:

Other hypernyms of olfactology include bailiwick, field, field of study, study, subject, subject area, subject field.

olfactology (noun)	discipline (noun)
the scientific study of smells or of the sense of smell.	training to improve strength or self-control
	the act of disciplining
	the trait of being well behaved
	a branch of knowledge
	a system of rules of conduct or method of practice

olfactology (verb)	discipline (verb)
	punish in order to gain control or enforce obedience
	develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control