Rotor
rotor
Roter
red
Motor
engine
motor
Rote
red
Röte
redness
red
Roti
roti
Rotze
snot
Proton
proton
Rot
red
rot
red
Rotte
rout
Rotz
snot
glanders
proto-
proto-
röten
redden
make red
become red
turn red
Foto
photo
picture
photography
Koto
koto
Lotos
lotos
Kontor
office
Tutor
monitor
Aktor
actuator