Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Japanese
ミュー
←
English
mu
(borrowed)
←
Ancient Greek
μῦ
(learned borrowing)
→
Japanese
ミュー粒子
(affix)