There is no common Yiddish spelling for "Filick" as it is not a common Yiddish name. It is possible that "Filick" is a variant spelling of "Philip" in a particular dialect or family tradition.
It's important to note that Yiddish spelling can be quite flexible and regional variations exist. If you are looking for the spelling of a specific individual's name, it's best to consult with the individual or family records.