Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
перде́ть
→
Old English
feortan
(cognate)
→
Russian
пердун
(affix)
→
Russian
подушка-пердушка
(affix)
→
Russian
пердак
(affix)