go down vs settle

go down is not a noun while settle is a noun.

Word	Noun	Adjective	Verb	Adverb
go down	No	No	Yes	No
settle	Yes	No	Yes	No

As verbs, go down and settle are synonyms defined as:

Other synonyms of go down include go under, sink.

As verbs, settle is a hyponym of go down; that is, settle is a word with a more specific, narrower meaning than go down:

Other hyponyms of go down include subside, founder, submerge, submerse.

As verbs, settle is a hyponym of go down; that is, settle is a word with a more specific, narrower meaning than go down:

go down (noun)	settle (noun)
	a long wooden bench with a back

go down (verb)	settle (verb)
grow smaller	take up residence and become established
stop operating	form a community
be defeated	become settled or established and stable in one's residence or life style
be ingested	establish or develop as a residence
go under	make final; put the last touches on; put into final form
disappear beyond the horizon	become resolved, fixed, established, or quiet
move downward and lower, but not necessarily all the way	come as if by falling
be recorded or remembered	bring to an end; settle conclusively
	settle conclusively; come to terms
	end a legal dispute by arriving at a settlement
	come to terms
	accept despite lack of complete satisfaction
	get one's revenge for a wrong or an injury
	fix firmly
	arrange or fix in the desired order
	come to rest
	settle into a position, usually on a surface or ground
	cause to become clear by forming a sediment (of liquids)
	sink down or precipitate
	go under
	become clear by the sinking of particles
	dispose of; make a financial settlement