Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
auk
←
Old English
ēac
(cognate)
←
Proto-Germanic
*auk
(inherited)
←
Old High German
ouh
(cognate)
←
Gothic
𐌰𐌿𐌺
(cognate)
←
Old Frisian
āk
(cognate)
←
Old Saxon
ōk
(cognate)
→
English
eke
(cognate)
→
Old English
eac
(cognate)
→
Norwegian Bokmål
au
(derived)
→
Norwegian Bokmål
og
(mention)
→
Norwegian Bokmål
Troms og Finnmark
(mention)
→
Norwegian Nynorsk
au
(derived)
→
Old Norse
ok
(mention)