Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
stoc
←
Old English
stoc
(derived)
←
Proto-Germanic
*stukką
(derived)
←
Middle Irish
stoc
(inherited)
→
Irish
stocmhargadh
(affix)
→
Manx
sthock
(cognate)