Clapp's Favourite vs pear

Clapp's Favourite and pear both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clapp's Favourite	Yes	No	No	No
pear	Yes	No	No	No

As nouns, pear is a hypernym of Clapp's Favourite; that is, pear is a word with a broader meaning than Clapp's Favourite:

Clapp's Favourite: Clapp's Favourite is a useful early-season pear, ripening in mid-August.
pear: sweet juicy gritty-textured fruit available in many varieties

Clapp's Favourite (noun)	pear (noun)
Clapp's Favourite is a useful early-season pear, ripening in mid-August.	sweet juicy gritty-textured fruit available in many varieties
	Old World tree having sweet gritty-textured juicy fruit; widely cultivated in many varieties