Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἵ
←
Gothic
𐍃𐌹
(cognate)
←
Proto-Indo-European
*sih₂
(inherited)
←
Old Irish
sí
(cognate)