pillowtop

As a noun softness

is the quality of being soft.

As an adjective pillowtop is

(of a mattress) having a cushioned, textured top surface to provide extra softness.

As a verb surface

is .

As an adjective pillowtop is

(of a mattress) having a cushioned, textured top surface to provide extra softness.

As adjectives the difference between texture and pillowtop

is that texture is textured while pillowtop is (of a mattress) having a cushioned, textured top surface to provide extra softness.

As a verb texture

is .

As a noun cushion

is a soft mass of material stuffed into a cloth bag, used for comfort or support; for sitting on, kneeling on, resting one's head on etc.

As a verb cushion

is to furnish with cushions.

As an adjective pillowtop is

having a cushioned, textured top surface to provide extra softness.

As a noun mattress

is a pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric.

As an adjective pillowtop is

(of a mattress) having a cushioned, textured top surface to provide extra softness.