Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
fraoch
←
Proto-Celtic
*wroikos
(inherited)
←
Middle Irish
fráech
(inherited)
←
Old Irish
[[froích]], [[fróech]]
(inherited)
→
Alemannic German
Brüüsch
(cognate)