(1.) Gr. katapausis, equivalent to the Hebrew word noah (Heb. 4:1). (2.) Gr. anapausis, “rest from weariness” (Matt. 11:28). (3.) Gr. anesis, “relaxation” (2 Thess. 1:7). (4.) Gr. sabbatismos, a Sabbath rest, a rest from all work (Heb. 4:9; R.V., “sabbath”), a rest like that of God when he had finished the work of creation.
–Easton's Bible Dictionary