bulk vs dollar volume

bulk and dollar volume both are nouns.

Word	Noun	Adjective	Verb	Adverb
bulk	Yes	No	Yes	No
dollar volume	Yes	No	No	No

As nouns, dollar volume is a hyponym of bulk; that is, dollar volume is a word with a more specific, narrower meaning than bulk:

Other hyponyms of bulk include turnover.

bulk (noun)	dollar volume (noun)
the property of something that is great in magnitude	the volume measured in dollars
the property resulting from being or relating to the greater in number of two parts; the main part
the property possessed by a large mass

bulk (verb)	dollar volume (verb)
cause to bulge or swell outwards
stick out or up
to gain size and weight by means of exercise and diet