Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
idioticon
←
German
Idiotikon
(borrowed)
←
German
Idioticon
(mention)
←
German
Idiotika
(cognate)
←
English
idiotica
(mention)
←
Ancient Greek
ἰδιωτικόν
(derived)
←
Ancient Greek
ἰδιωτικός
(mention)
←
Ancient Greek
ῐ̓δῐώτης
(mention)
←
Ancient Greek
-ῐκός
(mention)
←
Ancient Greek
ῐ̓́δῐος
(mention)
←
Ancient Greek
-ώτης
(mention)
←
Ancient Greek
ἰδιωτῐκᾰ́
(cognate)
←
Proto-Indo-European
*swé
(derived)
←
Latin
idiotica
(cognate)
←
Dutch
idioticon
(cognate)