Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
þekkja
→
Old English
þencan
(cognate)
→
Danish
tænke
(inherited)
→
Old Swedish
þækkia
(inherited)
→
Old High German
denken
(cognate)
→
Icelandic
þekkja
(inherited)
→
Norwegian Bokmål
tenke
(cognate)
→
Norwegian Nynorsk
tenkja
(derived)