Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
poblacht
←
Irish
pobal
(suffix)
←
Irish
acht
(suffix)
←
Scottish Gaelic
poblachd
(cognate)
→
Irish
poblachtach
(affix)
→
Irish
poblachtánach
(affix)
→
Irish
daon-phoblacht
(affix)
→
Scottish Gaelic
poblachd
(cognate)
→
Manx
pobblaght
(cognate)