field of honor vs battlefield

field of honor and battlefield both are nouns.

Word	Noun	Adjective	Verb	Adverb
field of honor	Yes	No	No	No
battlefield	Yes	No	No	No

As nouns, field of honor and battlefield are synonyms defined as:

field of honor and battlefield: a region where a battle is being (or has been) fought

Other synonyms of field of honor include battleground, field, field of battle.

field of honor (noun)	battlefield (noun)
the scene of a duel	a region where a battle is being (or has been) fought
a region where a battle is being (or has been) fought