Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
trews
←
Scottish Gaelic
triubhas
(borrowed)
←
Middle Irish
triubus
(derived)
→
English
trewsman
(suffix)
→
Manx
troosyn
(borrowed)