Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Oktober
→
Cimbrian
oktòbar
(cognate)
→
German
Oktoberfest
(compound)
→
Estonian
oktoober
(derived)
→
Pennsylvania German
Oktower
(cognate)
→
Volapük
otul
(derived)