heliport vs aerodrome

heliport and aerodrome both are nouns.

Word	Noun	Adjective	Verb	Adverb
heliport	Yes	No	No	No
aerodrome	Yes	No	No	No

As nouns, aerodrome is a hypernym of heliport; that is, aerodrome is a word with a broader meaning than heliport:

heliport: an airport for helicopters
aerodrome: an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo

Other hypernyms of heliport include airdrome, airport, drome.

heliport (noun)	aerodrome (noun)
an airport for helicopters	an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo