Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
feadán
←
Irish
fead
(affix)
←
Irish
-án
(affix)
→
Irish
néarfheadán
(affix)
→
Irish
feadánach
(affix)
→
Irish
feadánacht
(affix)
→
Manx
feddan
(cognate)