rabbit hole vs rabbit burrow

rabbit hole and rabbit burrow both are nouns.

Word	Noun	Adjective	Verb	Adverb
rabbit hole	Yes	No	No	No
rabbit burrow	Yes	No	No	No

As nouns, rabbit hole and rabbit burrow are synonyms defined as:

rabbit hole and rabbit burrow: a hole in the ground as a nest made by wild rabbits

rabbit hole (noun)	rabbit burrow (noun)
a hole in the ground as a nest made by wild rabbits	a hole in the ground as a nest made by wild rabbits