Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
fathomless
←
English
fathom
(suffix)
←
English
less
(suffix)
→
English
fathomlessness
(suffix)
→
English
fathomlessly
(suffix)
→
English
unfathomless
(mention)