Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
arcera
←
Ancient Greek
ἀρκέω
(cognate)
←
Proto-Indo-European
*h₂erk-
(root)
←
Proto-Indo-European
*h₂erk-
(derived)
←
Latin
arca
(cognate)
←
Latin
arceō
(mention)
←
Latin
arcānus
(mention)
←
Old Armenian
արգել
(cognate)
→
Latin
arx
(mention)
→
Latin
arcanus
(mention)