Complex sentence: As in many Germanic languages, Yiddish lacks the German front rounded umlaut vowels "ö" and "ü"; they are replaced in Yiddish by "e" and "i" respectively.
Split into simpler sentences: As in many Germanic languages, Yiddish lacks the German front rounded umlaut vowels "ö" and "ü". They are replaced in Yiddish by "e" and "i" respectively.