Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
blackmail
←
Old English
māl
(derived)
←
English
black
(mention)
←
English
mail
(mention)
←
Middle English
blak rente
(cognate)
←
Middle English
mal
(derived)
←
Middle English
male
(mention)
←
Middle English
maile
(mention)
←
Scottish Gaelic
blàthaich
(mention)
←
Scottish Gaelic
màl
(mention)
←
Proto-Germanic
*maþlą
(mention)
←
Gothic
𐌼𐌰𐌸𐌻
(mention)
←
Old Norse
mál
(derived)
→
English
mell
(link)
→
English
greenmail
(blend)
→
English
blackmailer
(suffix)
→
English
graymail
(mention)
→
English
whitemail
(mention)
→
English
blackmailable
(suffix)
→
English
blackmailee
(suffix)
→
English
cyberblackmail
(prefix)
→
English
blackmaily
(suffix)
→
Portuguese
chantagem
(link)
→
Chinese
黑函
(calque)