equivocal vs questionable

equivocal and questionable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
equivocal	No	Yes	No	No
questionable	No	Yes	No	No

equivocal (adjective)	questionable (adjective)
open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead	subject to question
uncertain as a sign or indication	able to be refuted
open to question