Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
tuk
←
Polish
tuczny
(link)
←
Polish
tucznik
(link)
←
Polish
[[tuczyć]], [[tyć]]
(link)
←
Proto-Slavic
*tukъ
(inherited)
→
Sanskrit
तोक
(cognate)