Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
tvrz
←
Czech
tvrdý
(mention)
←
Proto-Slavic
*tvьrdja
(inherited)
←
Proto-Slavic
*tvьrdъ
(mention)
←
Old Czech
tvrz
(inherited)