Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
тяжёлый
←
Russian
тя́жкий
(mention)
←
Proto-Slavic
*tęželъ
(inherited)
→
Russian
тяжелеть
(affix)
→
Russian
тяжеловес
(affix)
→
Russian
тяжеловесный
(affix)