Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
poll
←
Old English
pōl
(derived)
←
English
pool
(cognate)
←
Middle Irish
poll
(inherited)
→
Welsh
pwll
(cognate)
→
Irish
polltóir
(suffix)
→
Scottish Gaelic
poll
(cognate)