Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
blatzen
→
Old English
plættan
(cognate)
→
German
platzen
(mention)
→
Westrobothnian
blask
(cognate)