Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
creck
←
Old Irish
creicc
(inherited)
←
Old Irish
crenaid
(mention)
→
Manx
so-creck
(prefix)
→
Manx
yn-chreck
(prefix)
→
Manx
ard-chreck
(prefix)
→
Manx
so-chreckys
(confix)
→
Manx
aachreck
(prefix)