Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
spyd
←
Proto-Germanic
*speutą
(inherited)
←
Old Danish
spiut
(inherited)
←
Old Norse
spjót
(inherited)
→
English
spud
(cognate)