field maple vs hedge maple

field maple and hedge maple both are nouns.

Word	Noun	Adjective	Verb	Adverb
field maple	Yes	No	No	No
hedge maple	Yes	No	No	No

As nouns, field maple and hedge maple are synonyms defined as:

field maple and hedge maple: shrubby Eurasian maple often used as a hedge

Other synonyms of field maple include Acer campestre.

field maple (noun)	hedge maple (noun)
shrubby Eurasian maple often used as a hedge	shrubby Eurasian maple often used as a hedge