grid vs tube

grid and tube both are nouns.

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

grid (noun)	tube (noun)
a cooking utensil of parallel metal bars; used to grill fish or meat	conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube	an electric railway operating below the surface of the ground (usually in a city)
a system of high tension cables by which electrical power is distributed throughout a region	electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material	(anatomy) any hollow cylindrical body structure
a pattern of regularly spaced horizontal and vertical lines	a hollow cylindrical shape

grid (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