This is the 12395th most frequent German word.
vokalgruppe
A "vokalgruppe" is a vocal group or ensemble.
Here, 'Vokalgruppe' is used to describe a chorus or a group of singers.
Die Vokalgruppe harmonierte perfekt auf der Bühne.
The vocal group harmonized perfectly on stage.
In this case, 'Vokalgruppe' refers to a particular sequence of vowels in a word.
Im deutschen Wort 'bauen' ist 'au' eine Vokalgruppe.
In the German word 'bauen', 'au' is a vocal group.
In this usage, 'Vokalgruppe' pertains to the phonetic study of combinations of vowels within linguistic research.