compartment vs cockpit

compartment and cockpit both are nouns.

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

As nouns, cockpit is a hyponym of compartment; that is, cockpit is a word with a more specific, narrower meaning than compartment:

compartment: a partitioned section, chamber, or separate room within a larger enclosed area
cockpit: compartment where the pilot sits while flying the aircraft

compartment (noun)	cockpit (noun)
a partitioned section, chamber, or separate room within a larger enclosed area	compartment where the pilot sits while flying the aircraft
a space into which an area is subdivided	seat where the driver sits while driving a racing car
	a pit for cockfights