bubble vs breathe

bubble is a noun but breathe is not a noun.

Word	Noun	Adjective	Verb	Adverb
bubble	Yes	No	Yes	No
breathe	No	No	Yes	No

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

Other hypernyms of bubble include emit, pass off.

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

Other hypernyms of bubble include emit, pass off.

bubble (noun)	breathe (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)	breathe (verb)
expel gas from the stomach	draw air into, and expel out of, the lungs
form, produce, or emit bubbles	expel (gases or odors)
cause to form bubbles	reach full flavor by absorbing air and being let to stand after having been uncorked
rise in bubbles or as if in bubbles	take a short break from one's activities in order to relax
flow in an irregular current with a bubbling noise	utter or tell
	manifest or evince
	impart as if by breathing
	be alive
	allow the passage of air through