Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
joelho
←
Galician
xeonllo
(cognate)
←
Proto-Indo-European
*ǵónu
(inherited)
←
Latin
(mention)
←
Latin
genū
(inherited)
←
Old Portuguese
gẽollo
(inherited)
→
Galician
xeonllo
(cognate)
→
Kabuverdianu
duedju
(derived)
→
Guinea-Bissau Creole
djudju
(derived)
→
Portuguese
ajoelhar
(confix)