Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éasca
←
Irish
gealach
(link)
←
Irish
éascaí
(link)
←
Irish
éascaigh
(link)
←
Manx
eayst
(cognate)
←
Old Irish
éscae
(inherited)
←
Old Irish
éscaid
(inherited)
→
Irish
éascaigh
(suffix)
→
Irish
éascaí
(affix)