Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
decay
←
English
decadent
(mention)
←
English
decadence
(mention)
←
Middle English
decayen
(inherited)
←
Middle English
dekeyen
(mention)
←
Proto-Indo-European
*ḱh₂d-
(root)
←
Latin
dēcidō
(derived)
←
Latin
de
(mention)
←
Latin
cadō
(mention)
→
English
taint
(link)
→
English
decadence
(mention)
→
English
decaying
(suffix)
→
English
decayeth
(suffix)
→
English
decayer
(suffix)
→
English
decayless
(suffix)
→
English
decayable
(suffix)
→
English
predecay
(prefix)
→
English
photodecay
(prefix)
→
English
biodecay
(prefix)
→
English
decayability
(suffix)
→
English
decadescent
(suffix)
→
Welsh
diciâu
(borrowed)
→
Japanese
ディケイ
(borrowed)
→
Norwegian Nynorsk
forfall
(link)
→
Portuguese
queda
(link)