Pembroke vs Welsh corgi

Pembroke and Welsh corgi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pembroke	Yes	No	No	No
Welsh corgi	Yes	No	No	No

As nouns, Welsh corgi is a hypernym of Pembroke; that is, Welsh corgi is a word with a broader meaning than Pembroke:

Pembroke: the smaller and straight-legged variety of corgi having pointed ears and a short tail
Welsh corgi: either of two Welsh breeds of long-bodied short-legged dogs with erect ears and a fox-like head

Other hypernyms of Pembroke include corgi.

Pembroke (noun)	Welsh corgi (noun)
the smaller and straight-legged variety of corgi having pointed ears and a short tail	either of two Welsh breeds of long-bodied short-legged dogs with erect ears and a fox-like head