Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
kõks
→
Manx
dagh
(cognate)
→
Cornish
pob
(cognate)
→
Old Irish
cách
(cognate)
→
Middle Welsh
pawb
(cognate)