Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin spectrum
← Proto-Indo-European *speḱ- (root)
← Latin specio (suffix)
← Latin trum (suffix)
← Latin speculum (mention)

→ English spectrum (borrowed)
→ English specter (derived)
→ English spectre (mention)
→ English boggard (link)
→ Czech spektrum (derived)
→ Danish spektrum (derived)
→ German Spektrum (derived)
→ Spanish espectro (derived)
→ Italian spettro (derived)
→ Kazakh спектроскопия (derived)
→ Latin speculum (mention)
→ Norwegian Bokmål spektrum (derived)
→ Norwegian Bokmål spektro- (derived)
→ Dutch spectrum (borrowed)
→ Norwegian Nynorsk spektrum (derived)
→ Norwegian Nynorsk spektro- (derived)
→ Portuguese espectro (derived)
→ Romanian spectru (borrowed)
→ Russian спектр (derived)
→ Slovak spektrum (derived)
→ Swedish spektrum (borrowed)