dubitable vs dubious

dubitable and dubious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dubitable	No	Yes	No	No
dubious	No	Yes	No	No

As adjectives, dubitable and dubious are synonyms defined as:

Other synonyms of dubitable include doubtful, in question.

dubitable (adjective)	dubious (adjective)
open to doubt or suspicion	open to doubt or suspicion
	fraught with uncertainty or doubt
	not convinced