Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
blaa
←
Proto-Celtic
*blātus
(inherited)
←
Proto-Indo-European
*bʰleh₃-
(root)
←
Proto-Indo-European
*bʰleh₃-
(derived)
←
Old Irish
bláth
(inherited)
→
Welsh
blawd
(cognate)
→
Manx
blaag
(suffix)
→
Manx
yl-vlaagh
(affix)
→
Manx
ard-vlaa
(prefix)
→
Manx
ym-blaa
(prefix)