Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
eager
←
English
vinegar
(mention)
←
English
alegar
(mention)
←
English
aigre
(link)
←
English
eagre
(link)
←
English
keen
(link)
←
English
raring
(link)
←
English
fain
(link)
←
English
eager beaver
(link)
←
English
eager load
(link)
←
English
eagerly
(link)
←
English
eagerness
(link)
←
English
eagre
(mention)
←
Middle English
egre
(inherited)
←
Middle English
eger
(mention)
←
French
aigre
(mention)
←
Old French
egre
(derived)
←
Proto-Indo-European
*h₂eḱ-
(root)
←
Latin
acer
(derived)
→
English
keen
(link)
→
English
acrid
(mention)
→
English
eagre
(mention)
→
English
eagerly
(suffix)
→
English
eagerness
(suffix)
→
English
overeager
(prefix)
→
English
uneager
(prefix)
→
English
aigre
(mention)
→
English
beeregar
(compound)
→
English
Swarfega
(mention)
→
English
eagersome
(affix)