Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
darken
←
Old English
*deorcnian
(derived)
←
Old English
*diercnian
(mention)
←
English
dark
(affix)
←
English
-en
(affix)
←
Middle English
derkenen
(inherited)
←
Middle English
dirkenen
(mention)
←
Middle High German
terken
(cognate)
←
Middle High German
derken
(mention)
←
Proto-West Germanic
*dirkinōn
(inherited)
←
Old High German
tarchanjan
(cognate)
←
Old High German
terchinen
(mention)
←
Scots
derken
(cognate)
←
Scots
durken
(mention)
→
English
dark
(link)
→
English
endarken
(prefix)
→
English
darkener
(suffix)
→
English
bedarken
(prefix)
→
English
darkeneth
(suffix)
→
English
darkenest
(suffix)
→
English
redarken
(prefix)
→
Latin
nubilo
(link)
→
Norwegian Bokmål
dekke
(link)