grinder vs grind

grinder and grind both are nouns.

Word	Noun	Adjective	Verb	Adverb
grinder	Yes	No	No	No
grind	Yes	No	Yes	No

grinder (noun)	grind (noun)
a machine tool that polishes metal	the act of grinding to a powder or dust
machinery that processes materials by grinding or crushing	hard monotonous routine work
grinding tooth with a broad crown; located behind the premolars	the grade of particle fineness to which a substance is ground
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States	an insignificant student who is ridiculed as being affected or boringly studious

grinder (verb)	grind (verb)
	reduce to small pieces or particles by pounding or abrading
	make a grating or grinding sound by rubbing together
	press or grind with a crushing noise
	shape or form by grinding
	created by grinding
	dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
	work hard