Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
серебро́
→
Latvian
sudrabs
(cognate)
→
Russian
сребро
(doublet)
→
Russian
серебристый
(affix)
→
Russian
серебряный
(affix)
→
Russian
серебрить
(affix)