Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
reckless
←
Old English
rēcelēas
(inherited)
←
German
ruchlos
(cognate)
←
English
reck
(suffix)
←
English
less
(suffix)
←
Middle English
rekles
(inherited)
←
Middle English
reckeles
(mention)
←
Middle English
rekkeles
(mention)
←
Middle English
recheles
(mention)
←
West Frisian
roekeleas
(cognate)
←
German Low German
ruuklos
(cognate)
←
Dutch
roekeloos
(cognate)
→
English
rash
(link)
→
English
recklessness
(suffix)
→
English
recklessly
(suffix)
→
English
reckful
(link)
→
English
wretchless
(mention)
→
English
retchless
(cognate)
→
English
recklesser
(suffix)
→
English
recklessest
(suffix)
→
Danish
ryggesløs
(cognate)
→
German
ruchlos
(cognate)
→
Dutch
roekeloos
(cognate)
→
Portuguese
descuido
(link)