Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
yl-phoosey
←
Irish
ilphósadh
(cognate)
←
Manx
yl
(prefix)
←
Manx
poosey
(prefix)
→
Irish
ilphósadh
(cognate)
→
Manx
yl-phooseyder
(suffix)