pinhead vs dope

pinhead and dope both are nouns.

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

As nouns, pinhead and dope are synonyms defined as:

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

pinhead (noun)	dope (noun)
the head of a pin	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

pinhead (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