Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
fiūwertīne
→
Old English
feowertiene
(cognate)
→
West Frisian
fjirtjin
(inherited)
→
Old Norse
fjórtán
(cognate)
→
Old Saxon
fiuwartein
(cognate)
→
Saterland Frisian
fjautien
(inherited)