Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
dir
←
Proto-Indo-European
*déyḱti
(inherited)
←
Proto-Italic
*deikō
(inherited)
←
Latin
dīcere
(inherited)
←
Latin
dīcō
(mention)
←
Old Occitan
dir
(inherited)
→
Catalan
adir
(prefix)
→
Esperanto
diri
(cognate)