pothole vs chuckhole

pothole and chuckhole both are nouns.

Word	Noun	Adjective	Verb	Adverb
pothole	Yes	No	No	No
chuckhole	Yes	No	No	No

As nouns, pothole and chuckhole are synonyms defined as:

pothole and chuckhole: a pit or hole produced by wear or weathering (especially in a road surface)

pothole (noun)	chuckhole (noun)
a pit or hole produced by wear or weathering (especially in a road surface)	a pit or hole produced by wear or weathering (especially in a road surface)