Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
plaid
←
Irish
pluid
(cognate)
←
Scottish Gaelic
plaide
(cognate)
←
Scots
plaid
(borrowed)
→
Welsh
pleidiau
(affix)
→
Welsh
pleidiol
(suffix)
→
Welsh
pleidlais
(affix)