Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
gard
←
Proto-Germanic
*gardaz
(inherited)
←
Proto-Indo-European
*gʰerdʰ-
(root)
←
Proto-Indo-European
*gʰórdʰos
(inherited)
←
Proto-Indo-European
*gʰerdʰ-
(mention)
→
Old Norse
garðr
(cognate)