Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*triwwiþō
→
English
truth
(inherited)
→
English
troth
(inherited)
→
Old English
treowþ
(inherited)
→
Middle English
trouthe
(inherited)
→
Icelandic
tryggð
(derived)
→
Norwegian Nynorsk
trygd
(inherited)