marcher vs wheeler

marcher and wheeler both are nouns.

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

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

Other hyponyms of marcher include pivot, pivot man.

marcher (noun)	wheeler (noun)
fights on foot with small arms	a draft horse harnessed behind others and nearest the wheels of a vehicle
walks with regular or stately step	someone who makes and repairs wooden wheels
an inhabitant of a border district	a person who rides a bicycle
	the man at the outermost end of the rank in wheeling