Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mozarabic
ماتاري
←
Latin
mactō
(inherited)
←
Old Spanish
matar
(cognate)
←
Old Portuguese
matar
(cognate)