Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
eighteen
←
Old English
eahtatīene
(inherited)
←
Old English
eahtatēne
(mention)
←
Danish
atten
(cognate)
←
German
achtzehn
(cognate)
←
English
eight
(suffix)
←
English
teen
(suffix)
←
Middle English
eiȝtetene
(inherited)
←
Middle English
eiȝtene
(mention)
←
Middle English
ehtetene
(mention)
←
West Frisian
achttjin
(cognate)
←
Proto-Germanic
*ahtōutehun
(inherited)
←
Dutch
achttien
(cognate)
→
English
eighteenmo
(suffix)
→
English
eighteenpence
(compound)
→
English
eighteenpenny
(compound)
→
English
eighteenish
(suffix)
→
English
eighteenfold
(suffix)
→
Bislama
eitin
(inherited)
→
Cimbrian
achtzane
(cognate)
→
German
achtzehn
(cognate)
→
Icelandic
átján
(cognate)
→
Dutch
achttien
(cognate)
→
Pennsylvania German
achtzeh
(cognate)
→
Pennsylvania German
achzeh
(cognate)
→
Tok Pisin
etin
(inherited)
→
Vilamovian
aochcao
(cognate)