Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
тонути
←
Serbo-Croatian
то̀пити
(mention)
←
Proto-Slavic
*tonǫti
(inherited)
←
Undetermined
*topnǫti
(mention)
→
Serbo-Croatian
утонути
(prefix)