Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Polainn
←
Polish
Polanie
(derived)
←
Proto-Slavic
*poľane
(derived)
←
Proto-Slavic
*poľaninъ
(mention)
←
Proto-Slavic
*poľe
(mention)
←
Proto-Slavic
*-ěninъ
(mention)
→
Irish
Polainnis
(affix)
→
Irish
Polannach
(affix)
→
Irish
polannach
(mention)