Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
réaltóg
←
Irish
réalta
(suffix)
←
Irish
óg
(suffix)
→
Irish
réalta
(link)
→
Irish
réaltógach
(suffix)
→
Manx
rollage
(cognate)