Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cat
←
Irish
cat
(cognate)
←
Manx
kayt
(cognate)
←
Old Irish
catt
(inherited)
→
English
cat
(cognate)