plan vs draught

plan and draught both are nouns.

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

As verbs, draught is a hyponym of plan; that is, draught is a word with a more specific, narrower meaning than plan:

Other hyponyms of plan include engineer, plot, concert, redesign, blueprint, draft, map, map out.

plan (noun)	draught (noun)
scale drawing of a structure	the act of moving a load by drawing or pulling
a series of steps to be carried out or goals to be accomplished	a large and hurried swallow
an arrangement scheme	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)

plan (verb)	draught (verb)
make plans for something	make a blueprint of
have the will and intention to carry out some action
make or work out a plan for; devise