Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
köpa
←
Danish
købe
(cognate)
←
German
kaufen
(cognate)
←
English
cheap
(cognate)
←
Proto-Germanic
*kaupijaną
(inherited)
←
Proto-Germanic
*kaupōną
(mention)
←
Proto-Germanic
*kaupô
(mention)
←
Old Swedish
køpa
(inherited)
←
Latin
caupo
(cognate)
←
Latin
caupōnor
(mention)
←
Dutch
kopen
(cognate)
←
Norwegian
kjøpe
(cognate)
←
Old Norse
keypa
(inherited)
←
Old Norse
kaupa
(mention)
→
English
cheap
(mention)
→
German
Kauf
(mention)
→
Finnish
kaupunki
(cognate)
→
Pennsylvania German
kaafe
(cognate)
→
Swedish
köp
(mention)
→
Swedish
köpare
(suffix)
→
Swedish
köpman
(compound)
→
Swedish
köptempel
(compound)