Cardigan vs Welsh corgi

Cardigan and Welsh corgi both are nouns.

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

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

Cardigan: slightly bowlegged variety of corgi having rounded ears and a long 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 Cardigan include corgi.

Cardigan (noun)	Welsh corgi (noun)
slightly bowlegged variety of corgi having rounded ears and a long tail	either of two Welsh breeds of long-bodied short-legged dogs with erect ears and a fox-like head