double-furrow plow vs two-furrow plow

double-furrow plow and two-furrow plow both are nouns.

Word	Noun	Adjective	Verb	Adverb
double-furrow plow	Yes	No	No	No
two-furrow plow	Yes	No	No	No

As nouns, double-furrow plow and two-furrow plow are synonyms defined as:

Other synonyms of double-furrow plow include double-furrow plough, two-furrow plough.

double-furrow plow (noun)	two-furrow plow (noun)
a plough with two moldboards.	a plough with two moldboards.