Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
eunys
←
Irish
aoibhneas
(cognate)
←
Irish
aoibhinn
(cognate)
←
Scottish Gaelic
-
(cognate)
←
Scottish Gaelic
-
(cognate)
←
Middle Irish
oíbnius
(inherited)
←
Old Irish
oíbind
(derived)
→
Manx
ard-eunys
(prefix)