Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
iarst
←
English
erst
(cognate)
←
English
erst
(link)
←
West Frisian
earst
(cognate)
←
Old Frisian
ērest
(derived)
→
West Frisian
earst
(cognate)