Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek αἰχμή
Proto-Germanic *aiglaz (cognate)
Proto-Germanic *aiginþs (mention)
Mycenaean Greek 𐁁𐀏𐀭𐀔 (cognate)
Proto-Hellenic *aiksmā (inherited)
Proto-Indo-European (inherited)
Proto-Indo-European *h₂eyḱ- (mention)
Latin īcō (cognate)
Lithuanian iēšmas (cognate)
Lithuanian jiēšmas (mention)
Old Prussian aysmis (cognate)

Greek αιχμή (inherited)
Ancient Greek Μέναιχμος (affix)
Ancient Greek αἰχμάλωτος (mention)
Ancient Greek Ἀρίσταιχμος (affix)
Ancient Greek ἴγδις (mention)
Ancient Greek αἰχμητής (affix)
Ancient Greek ὁμαιχμία (affix)
Latin ico (cognate)