tube vs grid

tube and grid both are nouns.

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

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

tube (verb)	grid (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