electrode vs tube

electrode and tube both are nouns.

Word	Noun	Adjective	Verb	Adverb
electrode	Yes	No	No	No
tube	Yes	No	Yes	No

electrode (noun)	tube (noun)
a conductor used to make electrical contact with some part of a circuit	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
	an electric railway operating below the surface of the ground (usually in a city)
	electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
	(anatomy) any hollow cylindrical body structure
	a hollow cylindrical shape

electrode (verb)	tube (verb)
	place or enclose in a tube
	convey in a tube
	ride or float on an inflated tube
	provide with a tube or insert a tube into