Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
trod
←
Old English
trodu
(inherited)
←
English
tread
(mention)
←
English
tread
(mention)
←
English
downtrod
(link)
←
English
tread
(mention)
←
Middle English
trod
(inherited)
←
Middle English
treden
(mention)
←
Norwegian
trod
(cognate)
→
English
untrod
(prefix)
→
English
downtrod
(prefix)