Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
trúa
←
Proto-Germanic
*trewwāną
(inherited)
←
Old Norse
trúa
(inherited)
→
English
trow
(cognate)