shoot vs rack up

shoot is a noun but rack up is not a noun.

Word	Noun	Adjective	Verb	Adverb
shoot	Yes	No	Yes	No
rack up	No	No	Yes	No

As verbs, rack up is a hypernym of shoot; that is, rack up is a word with a broader meaning than shoot:

Other hypernyms of shoot include score, tally.

shoot (noun)	rack up (noun)
the act of shooting at targets
a new branch

shoot (verb)	rack up (verb)
give an injection to	supply a rack with feed for (horses or other animals)
produce buds, branches, or germinate	defeat thoroughly
measure the altitude of by using a sextant	gain points in a game
record on photographic film	place in a rack
make a film or photograph of something
utter fast and forcefully
fire a shot; release
hit with a missile from a weapon
score
spend frivolously and unwisely
force or drive (a fluid or gas) into by piercing
throw or propel in a specific direction or towards a specific objective
throw dice, as in a crap game
variegate by interweaving weft threads of different colors
run or move very quickly or hastily
move quickly and violently
send forth suddenly, intensely, swiftly
cause a sharp and sudden pain in
kill by firing a missile
emit (as light, flame, or fumes) suddenly and forcefully