quick march vs marching

quick march and marching both are nouns.

Word	Noun	Adjective	Verb	Adverb
quick march	Yes	No	No	No
marching	Yes	No	No	No

As nouns, marching is a hypernym of quick march; that is, marching is a word with a broader meaning than quick march:

quick march: marching at quick time
marching: the act of marching; walking with regular steps (especially in a procession of some kind)

Other hypernyms of quick march include march.

quick march (noun)	marching (noun)
marching at quick time	the act of marching; walking with regular steps (especially in a procession of some kind)