Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
tknąć
←
Polish
tkwić
(doublet)
←
Proto-Slavic
*tъknǫti
(inherited)
→
Polish
tykać
(suffix)
→
Polish
dotknąć
(affix)
→
Polish
spotkać
(link)
→
Polish
wstecz
(prefix)
→
Polish
potknąć
(affix)
→
Polish
przytknąć
(affix)
→
Polish
spotykać
(link)
→
Polish
tkwić
(doublet)
→
Polish
zetknąć
(affix)