Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
архитекту́ра
→
Ido
arkitekturo
(borrowed)
→
Russian
архитектурный
(affix)
→
Ukrainian
архітектура
(cognate)