Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
cliwe
←
Proto-Celtic
*kladiwos
(inherited)
←
Old Irish
claideb
(inherited)
→
Manx
cliweagh
(affix)
→
Manx
cliweaght
(suffix)
→
Manx
cliweder
(suffix)
→
Manx
cliwedeyr
(affix)