Percheron vs draught horse

Percheron and draught horse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Percheron	Yes	No	No	No
draught horse	Yes	No	No	No

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

Percheron: one of a breed of grey or black draft horses originally used in France to draw heavy coaches or artillery
draught horse: horse adapted for drawing heavy loads

Other hypernyms of Percheron include draft horse, dray horse.

Percheron (noun)	draught horse (noun)
one of a breed of grey or black draft horses originally used in France to draw heavy coaches or artillery	horse adapted for drawing heavy loads