water vs H

water and H both are nouns.

Word	Noun	Adjective	Verb	Adverb
water	Yes	No	Yes	No
H	Yes	No	No	No

water (noun)	H (noun)
a facility that provides a source of water	(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
a liquid necessary for the life of most animals and plants	the 8th letter of the Roman alphabet
the part of the earth's surface covered with water (such as a river or lake or ocean)	a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent	a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
liquid excretory product
once thought to be one of four elements composing the universe (Empedocles), associated with the humour phlegm

water (verb)	H (verb)
secrete or form water, as tears or saliva
supply with water, as with channels or ditches or streams
fill with tears
provide with water