Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
staur
←
Proto-Germanic
*stauraz
(inherited)
←
Old Norse
staurr
(inherited)
→
English
stour
(cognate)
→
Ancient Greek
σταυρός
(cognate)