Cardigan vs corgi

Cardigan and corgi both are nouns.

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

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

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

Cardigan (noun)	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