willow-pattern vs china

willow-pattern and china both are nouns.

Word	Noun	Adjective	Verb	Adverb
willow-pattern	Yes	No	No	No
china	Yes	No	No	No

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

willow-pattern: 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 willow-pattern include chinaware.

willow-pattern (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with a blue Chinese design on a white background depicting a willow tree and often a river	high quality porcelain originally made only in China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