conjectural vs theoretical

conjectural and theoretical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
conjectural	No	Yes	No	No
theoretical	No	Yes	No	No

conjectural (adjective)	theoretical (adjective)
based primarily on surmise rather than adequate evidence	concerned primarily with theories or hypotheses rather than practical considerations
	concerned with theories rather than their practical applications