Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
ubhal
←
Proto-Celtic
*abalo-
(inherited)
←
Proto-Indo-European
*h₂ébōl
(inherited)
←
Old Irish
uball
(inherited)
→
Irish
úll
(cognate)
→
Scottish Gaelic
lionn-ubhal
(compound)
→
Latvian
ābols
(cognate)