Pembroke vs corgi

Pembroke and corgi both are nouns.

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

As nouns, corgi is a hypernym of Pembroke; that is, 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
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 Welsh corgi.

Pembroke (noun)	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