Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
smát
←
Proto-Slavic
*smьjati
(inherited)
←
Old Czech
smieti
(inherited)
→
Czech
usmát
(affix)
→
Czech
rozesmát
(affix)
→
Lower Sorbian
smjaś
(cognate)