malodourous vs malodorous

malodourous and malodorous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
malodourous	No	Yes	No	No
malodorous	No	Yes	No	No

As adjectives, malodourous and malodorous are synonyms defined as:

Other synonyms of malodourous include ill-smelling, stinky, unpleasant-smelling.

malodourous (adjective)	malodorous (adjective)
having an unpleasant smell	having an unpleasant smell