airfield vs aerodrome

airfield and aerodrome both are nouns.

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

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

airfield: a place where planes take off and land
aerodrome: an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo

Other hyponyms of airfield include airdrome, airport, drome, airstrip, flight strip, landing strip, strip, auxiliary airfield.

airfield (noun)	aerodrome (noun)
a place where planes take off and land	an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo