Cannabis vs Marijuana

When to use each in English, with meaning, register, and examples.

Cannabis

Top 2,000 (common)

Marijuana

InformalTop 2,000 (common)
Most formal: Cannabis
 CannabisMarijuana
Pronunciation🇬🇧 //ˈkæn.ə.bɪs//🇺🇸 //ˈkæn.ə.bɪs//🇬🇧 //ˌmærɪˈdʒuːənə//🇺🇸 //ˌmɛrəˈwɑːnə//
MeaningA plant used for medicine and to make drugs.A plant often used for its effects as a drug.
ExampleCannabis is used to treat certain medical conditions.Many people use marijuana for its relaxing effects.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
Collocationscannabis plant, cannabis oil, cannabis usesmoke marijuana, marijuana use, legalize marijuana, marijuana effects, marijuana edibles
Antonymsnoneconventional drug, stimulant
Common mistakesConfused with 'hemp', which is a different, non-psychoactive variety., Omitting context when discussing its legality., Using slang terms in formal situations.Confused with 'hemp' - hemp has different legal uses., Using 'marijuana' when, technically, 'cannabis' is more accurate in formal contexts.
Usage notesUsed in discussions about medicine, legality, and recreational use. Avoid in formal settings unless discussing legality or health.Generally used in informal contexts. In formal discussions, refer to 'cannabis'. Consider cultural sensitivities surrounding its use.

Frequently asked questions: Cannabis vs Marijuana

What's the difference between Cannabis and Marijuana?

Cannabis: A plant used for medicine and to make drugs. Marijuana: A plant often used for its effects as a drug.

Which is more formal: Cannabis and Marijuana?

Cannabis is the most formal of these.

Can you show an example of each?

Cannabis: Cannabis is used to treat certain medical conditions. Marijuana: Many people use marijuana for its relaxing effects.

Can I use Cannabis and Marijuana interchangeably?

Not always. Cannabis and Marijuana are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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