Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
Baarleyr
←
Irish
Béarlóir
(cognate)
←
Manx
Baarle
(suffix)
←
Manx
eyr
(suffix)
→
Irish
Béarlóir
(cognate)