pilothouse vs wheelhouse

pilothouse and wheelhouse both are nouns.

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

As nouns, pilothouse and wheelhouse are synonyms defined as:

pilothouse and wheelhouse: an enclosed compartment from which a vessel can be navigated

pilothouse (noun)	wheelhouse (noun)
an enclosed compartment from which a vessel can be navigated	an enclosed compartment from which a vessel can be navigated
	one's area of interest or expertise