Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Jamtish
sleip
←
Proto-Germanic
*slaipaz
(inherited)
←
Icelandic
sleipur
(cognate)
←
Old Norse
sleipr
(inherited)