Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
regen
←
Middle High German
regen
(mention)
←
Middle High German
ragen
(mention)
→
German
rege
(mention)
→
German
Riegel
(mention)
→
German
Regung
(suffix)
→
German
aufregen
(prefix)
→
German
erregen
(prefix)
→
German
anregen
(prefix)
→
German
abregen
(prefix)
→
Luxembourgish
opreegen
(cognate)