Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
broc
←
Irish
broc
(cognate)
←
Manx
broc
(cognate)
←
Middle Irish
brocc
(inherited)
→
Scottish Gaelic
broc-lann
(suffix)
→
Scottish Gaelic
brocair
(suffix)
→
Scots
brock
(derived)