geometry vs pencil

geometry and pencil both are nouns.

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

geometry (noun)	pencil (noun)
the pure mathematics of points and lines and curves and surfaces	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

geometry (verb)	pencil (verb)
	write, draw, or trace with a pencil