ousel vs ouzel

ousel and ouzel both are nouns.

Word	Noun	Adjective	Verb	Adverb
ousel	Yes	No	No	No
ouzel	Yes	No	No	No

As nouns, ousel and ouzel are synonyms defined as:

Other synonyms of ousel include blackbird, European blackbird, merl, merle, Turdus merula.

ousel (noun)	ouzel (noun)
common black European thrush	common black European thrush