Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
στίλβω
→
English
stilb
(derived)
→
Breton
sellout
(cognate)
→
Welsh
syllu
(cognate)
→
Scottish Gaelic
seall
(cognate)
→
Ancient Greek
στιλπνός
(affix)
→
Ancient Greek
στίλψις
(affix)