GCA vs ground-controlled approach

GCA and ground-controlled approach both are nouns.

Word	Noun	Adjective	Verb	Adverb
GCA	Yes	No	No	No
ground-controlled approach	Yes	No	No	No

As nouns, GCA and ground-controlled approach are synonyms defined as:

GCA and ground-controlled approach: aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar

GCA (noun)	ground-controlled approach (noun)
aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar	aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar