Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
þwang
←
Proto-Germanic
*þwanguz
(inherited)
←
Old Norse
þvengr
(cognate)
→
English
thong
(mention)
→
Old Frisian
thwong
(cognate)