Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English ithe
Old English ȳþ (inherited)
German Unde (cognate)
English ithand (link)
Middle English ythe (inherited)
Middle English ithe (mention)
Middle English uthe (mention)
Middle English ithen (inherited)
Proto-Germanic *unþiz (inherited)
Proto-Germanic *unþī (mention)
Proto-West Germanic (inherited)
Proto-Indo-European *unt- (derived)
Proto-Indo-European *und- (mention)
Icelandic unnur (cognate)
Old Norse iðja (cognate)

English ident (suffix)
English ident (suffix)
English ithand (suffix)
English ithand (suffix)
Icelandic unnur (link)
Yiddish אינד (cognate)