Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
làn
←
Proto-Celtic
*ɸlānos
(inherited)
←
Welsh
llawn
(cognate)
←
Proto-Indo-European
*pl̥h₁nós
(inherited)
←
Old Irish
lán
(inherited)
→
Scottish Gaelic
muir-làn
(compound)