Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
Jesarn
←
Irish
Dé Sathairn
(cognate)
←
Latin
dīēs Saturnī
(derived)
←
Old Irish
dia Sathairn
(inherited)