Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*ēd-
→
Czech
jed
(derived)
→
Latvian
ods
(mention)
→
Latvian
ēst
(mention)