ploughboy vs boy

ploughboy and boy both are nouns.

Word	Noun	Adjective	Verb	Adverb
ploughboy	Yes	No	No	No
boy	Yes	No	No	No

As nouns, boy is a hypernym of ploughboy; that is, boy is a word with a broader meaning than ploughboy:

Other hypernyms of ploughboy include male child.

ploughboy (noun)	boy (noun)
a boy who leads the animals that draw a plow	a youthful male person
	(ethnic slur) offensive and disparaging term for Black man
	a friendly informal reference to a grown man
	a male human offspring