Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
siarka
←
Proto-Slavic
*sěra
(inherited)
→
Polish
siarczek
(suffix)
→
Polish
siarkowy
(suffix)
→
Polish
siarkowiec
(affix)
→
Polish
Siarka
(mention)
→
Polish
siarczysty
(affix)
→
Serbo-Croatian
sjera
(cognate)