woollen vs woolen

woollen and woolen both are nouns.

Word	Noun	Adjective	Verb	Adverb
woollen	Yes	Yes	No	No
woolen	Yes	Yes	No	No

As adjectives, woollen and woolen are synonyms defined as:

As nouns, woollen and woolen are synonyms defined as:

Other synonyms of woollen include wool.

woollen (noun)	woolen (noun)
a fabric made from the hair of sheep	a fabric made from the hair of sheep

woollen (adjective)	woolen (adjective)
of or related to or made of wool	of or related to or made of wool