tearful vs liquid

tearful is not a noun while liquid is a noun.

Word	Noun	Adjective	Verb	Adverb
tearful	No	Yes	No	No
liquid	Yes	Yes	No	No

tearful (noun)	liquid (noun)
	a frictionless continuant that is not a nasal consonant (especially `l' and `r')
	the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility
	fluid matter having no fixed shape but a fixed volume
	a substance that is liquid at room temperature and pressure

tearful (adjective)	liquid (adjective)
filled with or marked by tears	existing as or having characteristics of a liquid; especially tending to flow
showing sorrow	changed from a solid to a liquid state
	clear and bright
	in cash or easily convertible to cash
	smooth and unconstrained in movement
	smooth and flowing in quality; entirely free of harshness
	filled or brimming with tears