Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*drū-
→
English
truth
(derived)
→
English
tryst
(mention)
→
Icelandic
traust
(mention)
→
Swedish
tröst
(mention)