Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Doppel
←
German
doppelt
(mention)
←
German
Zweifel
(doublet)
→
Cimbrian
duppel
(cognate)
→
German
Zweifel
(doublet)
→
German
Dubbel
(mention)
→
German
Doppelspiel
(compound)
→
German
Doppel-T-Stein
(affix)