Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
yindys
←
Irish
iontas
(cognate)
→
Manx
yindyssagh
(affix)
→
Manx
ard-yindys
(prefix)