tough luck vs gutter

tough luck and gutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
tough luck	Yes	No	No	No
gutter	Yes	No	Yes	No

As nouns, gutter is a hyponym of tough luck; that is, gutter is a word with a more specific, narrower meaning than tough luck:

Other hyponyms of tough luck include weakness, adversity, hard knocks, hardship, sewer, toilet, hard cheese.

tough luck (noun)	gutter (noun)
an unfortunate state resulting from unfavorable outcomes	a channel along the eaves or on the roof; collects and carries away rainwater
	a tool for gutting fish
	a worker who guts things (fish or buildings or cars etc.)
	misfortune resulting in lost effort or money

tough luck (verb)	gutter (verb)
	provide with gutters
	wear or cut gutters into
	flow in small streams
	burn unsteadily, feebly, or low; flicker