Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
festus
←
Proto-Indo-European
*dʰeh₁stos
(derived)
←
Proto-Indo-European
*dʰéh₁s
(mention)
←
Proto-Italic
*fēstos
(derived)
←
Latin
fānum
(mention)
←
Latin
fēriae
(mention)
→
Latin
festivus
(suffix)