Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Polish
łaskać
←
Proto-Slavic
*làskati
(inherited)
←
Old Polish
łaskotać
(doublet)
→
Polish
głaskać
(mention)
→
Polish
łaskotać
(doublet)