bubble vs bubble

bubble and bubble both are nouns.

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

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

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