H vs water

H and water both are nouns.

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

H (noun)	water (noun)
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure	a facility that provides a source of water
the 8th letter of the Roman alphabet	a liquid necessary for the life of most animals and plants
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	the part of the earth's surface covered with water (such as a river or lake or ocean)
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	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
	liquid excretory product
	once thought to be one of four elements composing the universe (Empedocles), associated with the humour phlegm

H (verb)	water (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