Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
goo
←
Proto-Celtic
*gutus
(inherited)
←
Proto-Indo-European
(inherited)
←
Proto-Indo-European
*ǵʰewH-
(mention)
←
Old Irish
guth
(inherited)
→
Manx
bun-ghooaght
(confix)
→
Manx
gooaght
(suffix)
→
Manx
gooagh
(affix)
→
Manx
coghooagh
(affix)
→
Manx
ard-ghoo
(prefix)
→
Manx
neughooagh
(affix)