Welsh pony vs pony

Welsh pony and pony both are nouns.

Word	Noun	Adjective	Verb	Adverb
Welsh pony	Yes	No	No	No
pony	Yes	No	No	No

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

Welsh pony: breed of small ponies originally from Wales
pony: any of various breeds of small gentle horses usually less than five feet high at the shoulder

Welsh pony (noun)	pony (noun)
breed of small ponies originally from Wales	any of various breeds of small gentle horses usually less than five feet high at the shoulder
	a range horse of the western United States
	an informal term for a racehorse
	a small glass adequate to hold a single swallow of whiskey
	a literal translation used in studying a foreign language (often used illicitly)