Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
twelif
←
Old English
twelf
(mention)
←
West Frisian
twelif
(mention)
←
Proto-Germanic
*twalif
(inherited)
←
Old High German
zwelif
(mention)
←
Old Norse
tólf
(mention)
→
Old High German
zwelif
(cognate)
→
German Low German
twalf
(inherited)