Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
bitur
←
Proto-Germanic
*bitraz
(derived)
←
Proto-Indo-European
*bʰeyd-
(root)
←
Old Norse
bitr
(derived)
→
English
bitter
(cognate)
→
Old English
biter
(cognate)
→
German
bitter
(cognate)
→
Luxembourgish
batter
(cognate)