foxhole vs fox hole

foxhole and fox hole both are nouns.

Word	Noun	Adjective	Verb	Adverb
foxhole	Yes	No	No	No
fox hole	Yes	No	No	No

As nouns, foxhole and fox hole are synonyms defined as:

foxhole and fox hole: a small dugout with a pit for individual shelter against enemy fire

foxhole (noun)	fox hole (noun)
a small dugout with a pit for individual shelter against enemy fire	a small dugout with a pit for individual shelter against enemy fire