Rektoskop
rectoscope
Spektroskop
spectroscope
Mutoskop
mutoscope
Otoskop
otoscope
Zystoskop
cystoscope
Endoskop
endoscope
Demoskop
pollster
public opinion researcher
Mikroskop
microscope
Pedoskop
pedoscope
Rektus
direct case
Rektion
case government
government
Rektor
rector
principal
Rektorin
headmistress
Rekursion
recursion
Kolposkop
colposcope
hygroskop
hygroscopic
Gyroskop
gyroscope
Horoskop
horoscope
Koloskop
colonoscope
Pyroskop
pyroscope