Contraries :: Contraries (n.) Propositions which directly and destructively contradict each other, but of which the falsehood of one does not establish the truth of the other..
Contrariwise :: Contrariwise (adv.) On the contrary; oppositely; on the other hand.
Contrariwise :: Contrariwise (adv.) In a contrary order; conversely.
Subcontraries :: Subcontrary (a.) Denoting the relation of opposition between the particular affirmative and particular negative. Of these both may be true and only one can be false.