Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Okinawan
月
←
Japanese
月
(cognate)
←
Proto-Japonic
*tukuy
(inherited)
←
Proto-Ryukyuan
*tuki
(inherited)
←
Proto-Ryukyuan
*tuki
(inherited(ryu/rys))
→
Okinawan
八月
(affix)
→
Okinawan
霜月
(compound)
→
Okinawan
朧月
(compound)
→
Okinawan
月ぬ光
(affix)