Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ridire
←
Old English
ridere
(derived)
←
Scottish Gaelic
ridire
(cognate)
←
Old Irish
ritire
(inherited)
→
Irish
ridireacht
(affix)
→
Irish
ridiriúil
(suffix)