Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
motýl
←
Proto-Slavic
*motyľь
(inherited)
→
Czech
mol
(link)
→
Czech
motýlek
(suffix)
→
Czech
motýlice
(affix)
→
Czech
motýlí
(affix)
→
Upper Sorbian
mjetel
(cognate)