dope vs dumbbell

dope and dumbbell both are nouns.

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

As nouns, dope and dumbbell are synonyms defined as:

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

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

dope (verb)	dumbbell (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