Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Helvetii
←
Proto-Celtic
*ɸelu
(derived)
←
Proto-Celtic
*ɸētu
(mention)
←
Proto-Indo-European
*pelh₁u-
(derived)
←
Latin
Helvetii
(borrowed)
←
Old Irish
íath
(cognate)