bubble vs move up

bubble is a noun but move up is not a noun.

Word	Noun	Adjective	Verb	Adverb
bubble	Yes	No	Yes	No
move up	No	No	Yes	No

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

Other hypernyms of bubble include arise, come up, go up, lift, rise, uprise.

bubble (noun)	move up (noun)
a dome-shaped covering made of transparent glass or plastic
an impracticable and illusory idea
a speculative scheme that depends on unstable factors that the planner cannot control
a hollow globule of gas (e.g., air or carbon dioxide)

bubble (verb)	move up (verb)
expel gas from the stomach	move upward
form, produce, or emit bubbles	move to a better position in life or to a better job
cause to form bubbles
rise in bubbles or as if in bubbles
flow in an irregular current with a bubbling noise