Pembroke Welsh corgi vs corgi

Pembroke Welsh corgi and corgi both are nouns.

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

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

Pembroke Welsh corgi: 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 Welsh corgi include Welsh corgi.

Pembroke Welsh corgi (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