Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llys-
←
Welsh
lled
(link)
←
Welsh
lled-
(link)
←
Welsh
lled
(link)
←
Cornish
les-
(cognate)
→
Breton
lez-
(cognate)
→
Irish
leas-
(cognate)
→
Scottish Gaelic
leas-
(cognate)
→
Manx
lhiass-
(cognate)