Gutentag

3 clues
Gretl's greeting
Hamburger's hello
Greeting from Gerhard
Similar answers:
Advantage
Advantageous
Advantages
Agentagent
Agreatadvantage
Amentag
Antagonised
Antagonism
Antagonist
Antagonistic
Antagonists
Antagoniststagnation
Antagonize
Antagonized
Antagonizer
Antagonyms
Antecedentagreement
Antonioguterres
Asapercentageof
Atadisadvantage