Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
enjuagar
←
Spanish
en-
(mention)
←
Latin
*exaquō
(mention)
←
Latin
ex-
(mention)
←
Latin
aqua
(mention)
→
Galician
enxaugar
(cognate)