Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
sleck
←
Old English
sleċċan
(cognate)
←
Old English
slæċċan
(mention)
←
Middle English
slecken
(inherited)
←
Middle English
slekken
(mention)
←
Proto-Germanic
*slakjaną
(inherited)
←
Proto-Germanic
*slakwijaną
(mention)
←
Proto-Indo-European
*(s)lēg-
(derived)
←
Old Norse
slekkja
(derived)
←
Old Norse
sløkkva
(mention)