Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
excavation
←
Proto-Indo-European
*keu-
(derived)
←
Latin
excavātiō
(borrowed)
←
Latin
excavō
(mention)
←
Latin
ex
(mention)
←
Latin
cavō
(mention)
←
Latin
cavus
(mention)
→
English
excavate
(link)
→
English
sub-excavation
(prefix)
→
English
excavational
(suffix)
→
English
excavationist
(suffix)
→
Polish
wykop
(link)