Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Laidin
←
Scottish Gaelic
Laideann
(cognate)
←
Manx
Ladjyn
(cognate)
←
Latin
Latina
(derived)
←
Old Irish
Laiten
(inherited)
→
Irish
Ard-Laidin
(affix)
→
Irish
Laidneachas
(affix)
→
Scottish Gaelic
Laideann
(cognate)
→
Manx
Ladjyn
(cognate)