furrow vs gash

furrow and gash both are nouns.

Word	Noun	Adjective	Verb	Adverb
furrow	Yes	No	Yes	No
gash	Yes	No	Yes	No

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

Other hyponyms of furrow include cut.

furrow (noun)	gash (noun)
a long shallow trench in the ground (especially one made by a plow)	a strong sweeping cut made with a sharp instrument
a slight depression or fold in the smoothness of a surface	a trench resembling a furrow that was made by erosion or excavation
	a wound made by cutting

furrow (verb)	gash (verb)
hollow out in the form of a furrow or groove	cut open
make wrinkled or creased
cut a furrow into a columns