doughboy vs marcher

doughboy and marcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
doughboy	Yes	No	No	No
marcher	Yes	No	No	No

As nouns, marcher is a hypernym of doughboy; that is, marcher is a word with a broader meaning than doughboy:

Other hypernyms of doughboy include foot soldier, footslogger, infantryman.

doughboy (noun)	marcher (noun)
a rounded lump of dough that is deep-fried and served as hot bread	fights on foot with small arms
an American infantryman in World War I	walks with regular or stately step
	an inhabitant of a border district