otology vs fenestration

otology and fenestration both are nouns.

Word	Noun	Adjective	Verb	Adverb
otology	Yes	No	No	No
fenestration	Yes	No	No	No

otology (noun)	fenestration (noun)
the branch of medicine concerned with the ear	surgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis
	the arrangement of windows in a building