wound vs scratch

wound and scratch both are nouns.

Word	Noun	Adjective	Verb	Adverb
wound	Yes	Yes	Yes	No
scratch	Yes	No	Yes	No

As nouns, scratch is a hyponym of wound; that is, scratch is a word with a more specific, narrower meaning than wound:

wound: an injury to living tissue (especially an injury involving a cut or break in the skin)
scratch: an abraded area where the skin is torn or worn off

Other hyponyms of wound include raw wound, stigmata, abrasion, excoriation, scrape, cut, gash, slash, slice, laceration, bite.

wound (noun)	scratch (noun)
the act of inflicting a wound	an indication of damage
a casualty to military personnel resulting from combat	(golf) a handicap of zero strokes
a figurative injury (to your feelings or pride)	poor handwriting
an injury to living tissue (especially an injury involving a cut or break in the skin)	a harsh noise made by scraping
	dry mash for poultry
	a line indicating the location of the start of a race or a game
	a competitor who has withdrawn from competition
	informal terms for money
	a depression scratched or carved into a surface
	an abraded area where the skin is torn or worn off

wound (adjective)	scratch (adjective)
put in a coil

wound (verb)	scratch (verb)
cause injuries or bodily harm to	cut the surface of; wear away the surface of
hurt the feelings of	cause friction
	carve, cut, or etch into a material or surface
	gather (money or other resources) together over time
	remove by erasing or crossing out or as if by drawing a line
	scrape or rub as if to relieve itching
	postpone indefinitely or annul something that was scheduled