Rogen
roe
Rogener
spawner
Roggen
rye
erogen
erogenous
wogen
billow
wave
Bogen
arc
bow
arch
sheet
piece of paper
tree
mögen
like
pogen
pogo
Rügen
Rügen
rügen
reprimand
reprove
Regen
rain
Regen
regen
move
stir
ragen
jut
stick
tower
Drogen-
narco-
Rogenfisch
spawner
Rogner
spawner
Aerogel
aerogel
Droge
drug
dröge
dry
boring
Kerogen
kerogen