Translation guide
The Japanese word for 'airport' is 空港 (くうこう). This is the standard term used in almost all contexts. There are a few related terms for specific types of airports or facilities, but 空港 is the most common and useful.
airport
Referring to a place where airplanes take off and land, with passenger facilities.
The standard word for 'airport'. Used for both domestic and international airports.
How do I get to Narita Airport?
I'll pick up my friend at the airport.
Literally 'airfield'. Can refer to any airfield, including small ones without passenger terminals. Less common for major airports.
There is a small airfield on this island.
Loanword from English. Sometimes used in names of facilities or in casual speech, but 空港 is much more common.
I stayed at an airport hotel.
Referring specifically to the building where passengers check in, board, etc.
国際線ターミナルへ行きます。
I'm going to the international terminal.