Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
keel
←
English
kile
(doublet)
←
Middle English
kele
(inherited)
←
Scottish Gaelic
cìl
(borrowed)
←
Proto-Germanic
*keluz
(derived)
←
Proto-Indo-European
*gewlos
(derived)
←
Old Norse
kjǫlr
(derived)
→
English
cool
(mention)
→
English
stern
(link)
→
English
keel over
(link)
→
English
kile
(doublet)
→
English
keelboat
(compound)
→
English
cholla
(mention)
→
English
keelless
(suffix)
→
English
keelage
(suffix)
→
English
keeler
(suffix)
→
English
keelman
(suffix)
→
English
keelback
(compound)
→
English
on keel
(mention)
→
English
off keel
(mention)
→
English
keelful
(suffix)
→
English
keely
(suffix)
→
Czech
kýl
(link)
→
Welsh
cil
(borrowed)
→
Danish
køl
(cognate)
→
German
Kiel
(cognate)
→
French
quille
(link)
→
Scottish Gaelic
cìl
(borrowed)