Correlate

Part of speech: noun (n.)

One who, or that which, stands in a reciprocal relation to something else, as father to son; a correlative. South.

Part of speech: verb (v.)

To have reciprocal or mutual relations; to be mutually related. Doctrine and worship correlate as theory and practice. Tylor.

Part of speech: verb (v.)

To put in relation with each other; to connect together by the disclosure of a mutual relation; as, to correlate natural phenomens. Darwin.