drip vs drippy

drip is a noun but drippy is not a noun.

Word	Noun	Adjective	Verb	Adverb
drip	Yes	No	Yes	No
drippy	No	Yes	No	No

drip (noun)	drippy (noun)
(architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
flowing in drops; the formation and falling of drops of liquid
the sound of a liquid falling drop by drop

drip (adjective)	drippy (adjective)
	effusively or insincerely emotional
	leaking in drops
	wet with light rain

drip (verb)	drippy (verb)
let or cause to fall in drops
fall in drops