Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
barr
←
Proto-Celtic
*barros
(inherited)
←
English
bar
(cognate)
←
Old French
barre
(derived)
←
Old French
barrer
(mention)
←
Irish
cafarr
(link)
←
Proto-Indo-European
*bʰers-
(inherited)
←
Old Irish
barr
(inherited)
←
Middle Welsh
barr
(cognate)
→
English
Barry
(mention)
→
English
Barry
(cognate)
→
English
Dunbar
(mention)
→
English
Barr
(mention)
→
Irish
uchtbharr
(affix)
→
Irish
príomhbharr
(prefix)
→
Irish
barr-
(mention)
→
Irish
barréadrom
(affix)
→
Irish
barraicín
(mention)
→
Galician
barra
(cognate)
→
Latin
reburrus
(cognate)
→
Middle Welsh
barr
(cognate)