Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*hwalfą
→
Old English
hwealf
(mention)
→
Ancient Greek
κόλπος
(cognate)
→
Old Armenian
կոպ
(cognate)