controlled substance vs chalk

chalk vs controlled substance

controlled substance and chalk both are nouns.

controlled substance is not a verb while chalk is a verb.

Word	Noun	Adjective	Verb	Adverb
controlled substance	Yes	No	No	No
chalk	Yes	No	Yes	No

As nouns, chalk is a hyponym of controlled substance; that is, chalk is a word with a more specific, narrower meaning than controlled substance:

controlled substance: a drug or chemical substance whose possession and use are controlled by law
chalk: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

Other hyponyms of controlled substance include cannabis, ganja, marihuana, marijuana, club drug, hard drug, LSD, lysergic acid diethylamide, chicken feed, crank, deoxyephedrine, glass, ice, meth, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, trash, opium.

controlled substance (noun)	chalk (noun)
a drug or chemical substance whose possession and use are controlled by law	a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
	an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
	a pure flat white with little reflectance
	a soft whitish calcite

controlled substance (verb)	chalk (verb)
	write, draw, or trace with chalk

Difference between controlled substance and chalk

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