Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
portán
←
Scottish Gaelic
partan
(cognate)
←
Manx
-
(cognate)
←
Old Irish
partán
(inherited)
→
English
partan
(cognate)
→
Scots
partan
(cognate)