Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
tombar
←
Catalan
tombar
(cognate)
←
German
taumeln
(cognate)
←
Spanish
tumbar
(cognate)
←
French
tomber
(cognate)
←
Romanian
tumbă
(cognate)
→
German
taumeln
(cognate)
→
Spanish
tumbar
(cognate)
→
French
tomber
(cognate)
→
Portuguese
tombo
(back-formation)