Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
blas
←
Breton
blaz
(cognate)
←
Irish
blas
(cognate)
←
Cornish
blas
(cognate)
←
Russian
молса́ть
(cognate)
→
Welsh
adflas
(affix)
→
Welsh
diflas
(affix)
→
Welsh
blasus
(suffix)
→
Welsh
blasu
(suffix)
→
Welsh
blasau
(affix)