Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
siextīene
→
English
sixteen
(inherited)
→
Middle English
sixtene
(mention)
→
Old Norse
sextán
(cognate)
→
Old Saxon
sehstein
(cognate)