Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
orroosyn
←
Manx
orroo
(suffix)
←
Manx
syn
(suffix)
→
Scottish Gaelic
orrasan
(cognate)