Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
fliugh
←
Proto-Celtic
*wlikʷos
(inherited)
←
Welsh
gwlyb
(cognate)
←
Proto-Indo-European
*wleykʷ-
(root)
←
Old Irish
fliuch
(inherited)
→
Manx
fliaghey
(affix)
→
Manx
fliughane
(suffix)