Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *ga-

→ English a- (inherited)
→ English enough (mention)
→ English meet (mention)
→ English shape (inherited)
→ English gain (derived)
→ English game (mention)
→ English game (mention)
→ English mate (mention)
→ English each (mention)
→ English glove (derived)
→ English loom (mention)
→ English yearning (derived)
→ English gebur (derived)
→ English gnast (derived)
→ Afrikaans ge- (inherited)
→ Old English ge- (inherited)
→ Old English æghwilc (mention)
→ Old English genog (mention)
→ Old English gelome (derived)
→ Old English gesceap (derived)
→ Old English gewealcan (derived)
→ Old English ælc (mention)
→ Old English getæl (inherited)
→ Cimbrian günnan (mention)
→ Danish lig (affix)
→ Danish gnist (mention)
→ German ge- (inherited)
→ German Gau (mention)
→ German gerecht (mention)
→ German genug (mention)
→ German Geduld (derived)
→ German Maat (mention)
→ German Gneis (mention)
→ German Gespann (inherited)
→ Middle English y- (derived)
→ Middle English i- (inherited)
→ Middle English ȝe- (inherited)
→ Faroese gagn (mention)
→ French compagnon (mention)
→ Galician compañeiro (cognate)
→ Galician gaspeto (derived)
→ Galician gastallo (derived)
→ Galician gadoupa (mention)
→ Galician agasallar (mention)
→ Old High German gimazzo (mention)
→ Old High German gi- (inherited)
→ Gothic 𐌲𐌰- (inherited)
→ Indonesian gim (mention)
→ Indonesian gim (mention)
→ Icelandic man (mention)
→ Icelandic lög (mention)
→ Icelandic gagn (mention)
→ Latin cum (cognate)
→ Latin companio (mention)