marihuana vs marijuana

marihuana and marijuana both are nouns.

Word	Noun	Adjective	Verb	Adverb
marihuana	Yes	No	No	No
marijuana	Yes	No	No	No

As nouns, marihuana and marijuana are synonyms defined as:

marihuana and marijuana: the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect

Other synonyms of marihuana include cannabis, ganja.

As nouns, marihuana and marijuana are synonyms defined as:

marihuana and marijuana: a strong-smelling plant whose dried leaves can be smoked for a pleasant effect or pain reduction

Other synonyms of marihuana include Cannabis sativa, ganja.

marihuana (noun)	marijuana (noun)
the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect	the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
a strong-smelling plant whose dried leaves can be smoked for a pleasant effect or pain reduction	a strong-smelling plant whose dried leaves can be smoked for a pleasant effect or pain reduction