Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
mac
←
Gaulish
mapos
(cognate)
←
Gaulish
Maponos
(mention)
←
Proto-Celtic
*makkʷos
(inherited)
←
Proto-Celtic
*makʷos
(mention)
←
Welsh
mab
(cognate)
←
Primitive Irish
ᚋᚐᚊᚊᚔ
(inherited)
←
Old Irish
macc
(inherited)
→
English
Mc-
(derived)
→
English
Cuff
(mention)
→
English
Guilfoyle
(mention)
→
English
Finucane
(mention)
→
English
Mac-
(derived)
→
Irish
athair
(link)
→
Irish
macra
(affix)
→
Irish
garmhac
(affix)
→
Irish
mac tíre
(affix)
→
Irish
leasmhac
(prefix)
→
Irish
macaomh
(affix)
→
Irish
macánta
(affix)
→
Irish
aonmhac
(affix)
→
Irish
uchtmhac
(affix)
→
Irish
Conamara
(mention)
→
Chinese
麥克
(derived)