Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
caupo
←
Ancient Greek
κᾰ́πηλος
(cognate)
←
Ancient Greek
ἐπρῐάμην
(mention)
←
Ancient Greek
ὠνέομαι
(mention)
←
Ancient Greek
ἀφνειός
(cognate)
←
Ancient Greek
κάπτω
(cognate)
←
Hittite
𒄩𒀊𒉺𒅈
(cognate)
←
Proto-Indo-European
*kʷreyh₂-
(cognate)
←
Proto-Indo-European
*h₃ep-
(mention)
←
Latin
ops
(mention)
→
German
kaufen
(derived)
→
Finnish
kauppa
(derived)
→
Gothic
𐌺𐌰𐌿𐍀𐍉𐌽
(derived)
→
Luxembourgish
kafen
(derived)
→
Old Frisian
kap
(derived)
→
Romanian
precupeț
(derived)
→
Romanian
cupeț
(derived)
→
Swedish
köpa
(cognate)