Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
entreter
←
Spanish
entretener
(borrowed)
←
French
entretenir
(cognate)
←
Portuguese
entre
(mention)
←
Portuguese
ter
(mention)
→
Galician
entreter
(cognate)