Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
splot
←
Old English
splott
(inherited)
←
English
split
(link)
←
Middle English
splot
(inherited)
←
Proto-Germanic
*spluttaz
(inherited)
←
Proto-Indo-European
*splt-no-
(derived)
←
Proto-Indo-European
*(s)pel-
(derived)
→
English
spot
(mention)
→
English
splotch
(mention)
→
English
splotch
(link)