draught vs swig

draught and swig both are nouns.

Word	Noun	Adjective	Verb	Adverb
draught	Yes	No	Yes	No
swig	Yes	No	Yes	No

As nouns, draught and swig are synonyms defined as:

Other synonyms of draught include draft, gulp.

draught (noun)	swig (noun)
the act of moving a load by drawing or pulling	a large and hurried swallow
a large and hurried swallow
a dose of liquid medicine
the depth of a vessel's keel below the surface (especially when loaded)
a serving of drink (usually alcoholic) drawn from a keg
a current of air (usually coming into a chimney or room or vehicle)

draught (verb)	swig (verb)
make a blueprint of	to swallow hurriedly or greedily or in one draught
	strike heavily, especially with the fist or a bat