draught vs dosage

draught and dosage both are nouns.

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

As nouns, dosage is a hypernym of draught; that is, dosage is a word with a broader meaning than draught:

Other hypernyms of draught include dose.

draught (noun)	dosage (noun)
the act of moving a load by drawing or pulling	a measured portion of medicine taken at any one time
a large and hurried swallow	the quantity of an active agent (substance or radiation) taken in or absorbed at any one time
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)	dosage (verb)
make a blueprint of