Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
тихъ
←
Proto-Slavic
*tixъ
(inherited)
→
Old Church Slavonic
тихость
(suffix)
→
Lower Sorbian
śichy
(cognate)
→
Romanian
Tihău
(derived)