Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hvor
←
Old Norse
hvárr
(derived)
→
English
whether
(cognate)
→
Cimbrian
bèdar
(cognate)
→
Alemannic German
weder
(cognate)
→
Icelandic
hvorttveggja
(affix)