Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ayr
←
English
faeder
(doublet)
←
Manx
ayr
(borrowed)
←
Proto-Indo-European
*peh₂-
(root)
→
English
father
(doublet)
→
English
pater
(doublet)
→
English
padre
(doublet)
→
English
père
(doublet)
→
English
faeder
(doublet)