Theoretiker	theoretician
Theoretiker	theoreticians
Theoretiker	theoretist
Theoretiker	theorist
Theoretiker	theorists
Theoretikers	theoreticians
Theoretiker {m}	theoretist
Theoretiker {m}, Theoretikerin {f} Theoretiker {pl}, Theoretikerinnen {pl}	theoretician, theorist theoreticians, theorists