wheelhouse vs compartment

wheelhouse and compartment both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheelhouse	Yes	No	No	No
compartment	Yes	No	No	No

As nouns, compartment is a hypernym of wheelhouse; that is, compartment is a word with a broader meaning than wheelhouse:

wheelhouse: an enclosed compartment from which a vessel can be navigated
compartment: a partitioned section, chamber, or separate room within a larger enclosed area

wheelhouse (noun)	compartment (noun)
an enclosed compartment from which a vessel can be navigated	a partitioned section, chamber, or separate room within a larger enclosed area
one's area of interest or expertise	a space into which an area is subdivided