Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
harden
←
Danish
hærdne
(cognate)
←
English
hard
(suffix)
←
English
en
(suffix)
←
English
forharden
(link)
←
English
hardened
(link)
←
English
hardener
(link)
←
English
hardening
(link)
←
English
harden off
(link)
←
English
harden someone's heart
(link)
←
English
harden up
(link)
←
English
overharden
(link)
←
Middle English
hardenen
(inherited)
←
Icelandic
harðna
(cognate)
←
Norwegian
herdne
(cognate)
←
Swedish
hårdna
(cognate)
→
English
caseharden
(compound)
→
English
enharden
(prefix)
→
English
hardener
(suffix)
→
English
hardeneth
(suffix)
→
English
hardenable
(suffix)
→
English
hardenability
(suffix)
→
English
preharden
(prefix)
→
English
overharden
(prefix)
→
English
hardenest
(suffix)
→
English
forharden
(prefix)
→
English
superharden
(prefix)
→
English
hardenite
(suffix)
→
English
unharden
(prefix)
→
English
reharden
(prefix)
→
English
deharden
(prefix)