Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llyfn
←
Breton
levn
(cognate)
←
Proto-Celtic
*slibnos
(inherited)
←
English
slime
(cognate)
←
Scottish Gaelic
sleamhainn
(cognate)
←
Proto-Indo-European
*(s)ley-
(derived)
→
Scottish Gaelic
sleamhainn
(cognate)
→
Latin
limus
(cognate)