willowware vs china

willowware and china both are nouns.

Word	Noun	Adjective	Verb	Adverb
willowware	Yes	No	No	No
china	Yes	No	No	No

As nouns, china is a hypernym of willowware; that is, china is a word with a broader meaning than willowware:

willowware: chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river
china: dishware made of high quality porcelain

Other hypernyms of willowware include chinaware.

willowware (noun)	china (noun)
chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river	high quality porcelain originally made only in China
	dishware made of high quality porcelain