reorder vs countermarch

reorder and countermarch both are nouns.

Word	Noun	Adjective	Verb	Adverb
reorder	Yes	No	Yes	No
countermarch	Yes	No	Yes	No

As verbs, countermarch is a hyponym of reorder; that is, countermarch is a word with a more specific, narrower meaning than reorder:

Other hyponyms of reorder include invert, reverse.

reorder (noun)	countermarch (noun)
a repeated order for the same merchandise	(military) a march in the reverse direction or back along the same route

reorder (verb)	countermarch (verb)
assign a new order to	change the order of soldiers during a march
make a new request to be supplied with	march back along the same way