Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
twelig
←
German
zwölf
(cognate)
←
West Frisian
tolve
(cognate)
←
Proto-Germanic
*twalif
(inherited)
←
Old Frisian
twelif
(inherited)