dumbbell vs dope

dumbbell and dope both are nouns.

Word	Noun	Adjective	Verb	Adverb
dumbbell	Yes	No	No	No
dope	Yes	No	Yes	No

As nouns, dumbbell and dope are synonyms defined as:

Other synonyms of dumbbell include boob, booby, dummy, pinhead.

dumbbell (noun)	dope (noun)
an exercising weight; two spheres connected by a short bar that serves as a handle	street names for marijuana
an ignorant or foolish person	slang terms for inside information
	carbonated drink flavored with extract from kola nuts
	an ignorant or foolish person

dumbbell (verb)	dope (verb)
	give a narcotic to
	add impurities to (a semiconductor) in order to produce or modify its properties
	take drugs to improve one's athletic performance