pencil vs describe

pencil is a noun but describe is not a noun.

Word	Noun	Adjective	Verb	Adverb
pencil	Yes	No	Yes	No
describe	No	No	Yes	No

pencil (noun)	describe (noun)
a thin cylindrical pointed writing implement; a rod of marking substance encased in wood
a cosmetic in a long thin stick; designed to be applied to a particular part of the face
a figure formed by a set of straight lines or light rays meeting at a point
graphite (or a similar substance) used in such a way as to be a medium of communication

pencil (verb)	describe (verb)
write, draw, or trace with a pencil	identify as in botany or biology, for example
	give a description of
	to give an account or representation of in words
	make a mark or lines on a surface