good sense vs mother wit

good sense and mother wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
good sense	Yes	No	No	No
mother wit	Yes	No	No	No

As nouns, good sense and mother wit are synonyms defined as:

Other synonyms of good sense include common sense, gumption, horse sense, sense.

good sense (noun)	mother wit (noun)
sound practical judgment	sound practical judgment