Swiftly :: Swiftlet (n.) Any one of numerous species of small East Indian and Asiatic swifts of the genus Collocalia. Some of the species are noted for furnishing the edible bird's nest. See Illust. under Edible.
Swiftness :: Swiftly (adv.) In a swift manner; with quick motion or velocity; fleetly.
Swig :: Swiftness (n.) The quality or state of being swift; speed; quickness; celerity; velocity; rapidity; as, the swiftness of a bird; the swiftness of a stream; swiftness of descent in a falling body; swiftness of thought, etc..
Swig :: Swig (v. t.) To drink in long draughts; to gulp; as, to swig cider..
Swim :: Swim (v. i.) To be supported by water or other fluid; not to sink; to float; as, any substance will swim, whose specific gravity is less than that of the fluid in which it is immersed..
Swim :: Swim (v. i.) To move progressively in water by means of strokes with the hands and feet, or the fins or the tail..
Swim :: Swim (v. i.) To be overflowed or drenched.
Swim :: Swim (v. i.) Fig.: To be as if borne or floating in a fluid.