Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
gearn
←
Proto-Germanic
*garną
(inherited)
←
Old High German
garn
(cognate)
←
Proto-Indo-European
*ǵʰer-
(root)
←
Proto-Indo-European
*ǵʰorn-
(derived)
←
Proto-Indo-European
*ǵʰer-
(mention)
←
Old Norse
garn
(cognate)
←
Old Saxon
garn
(cognate)