willowware vs willow-pattern

willowware and willow-pattern both are nouns.

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

As nouns, willowware and willow-pattern are synonyms defined as:

willowware and willow-pattern: chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river

willowware (noun)	willow-pattern (noun)
chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river	chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river