Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
siabann
←
Irish
síobán
(cognate)
←
Manx
sheeabin
(cognate)
←
Latin
sapo
(derived)
→
Scottish Gaelic
siabannach
(affix)