mother wit vs horse sense

mother wit and horse sense both are nouns.

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

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

Other synonyms of mother wit include common sense, good sense, gumption, sense.

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