Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
acum
←
Latin
eccum
(inherited)
←
Latin
modo
(mention)
→
Romanian
acu
(mention)
→
Romanian
amu
(mention)
→
Romanian
acuma
(mention)