Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
rhyw
←
Breton
reizh
(cognate)
→
Welsh
unrhyw
(compound)
→
Welsh
rhywbeth
(compound)
→
Welsh
rhywun
(compound)
→
Welsh
rhywle
(compound)
→
Welsh
rhywsut
(compound)
→
Welsh
rhywiol
(suffix)
→
Welsh
amryw
(prefix)
→
Welsh
diryw
(affix)
→
Welsh
unigryw
(compound)
→
Welsh
rhywbryd
(compound)