Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin opus
← Proto-Indo-European *h₃ep- (root)
← Proto-Indo-European *h₃épos (inherited)
← Proto-Indo-European *h₃ep- (mention)
← Latin ops (mention)
← Latin omnis (mention)
← Sanskrit अपस् (cognate)

→ English operation (mention)
→ English opus (borrowed)
→ English office (mention)
→ English opera (mention)
→ English stover (mention)
→ English operate (mention)
→ English opuscule (mention)
→ English officinal (mention)
→ English opere citato (derived)
→ English operameter (mention)
→ English magnoperate (mention)
→ English magnoperate (mention)
→ Catalan obra (mention)
→ Czech opus (derived)
→ Spanish obra (mention)
→ Finnish opus (borrowed)
→ French manœuvre (mention)
→ Old French uevre (mention)
→ Friulian opare (mention)
→ Galician obra (mention)
→ Indonesian operasi (mention)
→ Italian opus (borrowed)
→ Italian uopo (inherited)
→ Latin opusculum (affix)
→ Latin opero (mention)
→ Latin opera (mention)
→ Latin omnis (mention)
→ Latin optimus (mention)
→ Latin magnopere (link)
→ Latin ops (mention)
→ Latin littera (mention)
→ Latin operor (mention)
→ Latin oportet (mention)
→ Latin oportet (mention)
→ Latvian āpsis (cognate)
→ Latvian operācija (mention)
→ Macedonian опус (derived)
→ Dutch opus (learned borrowing)
→ Dutch opera (mention)
→ Dutch operatie (mention)
→ Norman ouvrer (mention)
→ Norman opéthâtion (mention)
→ Norman opéther (mention)
→ Old Spanish uebos (inherited)
→ Romanian opus (mention)
→ Romanian op (inherited)
→ Romanian op (borrowed)
→ Sardinian obus (inherited)
→ Swedish manöver (mention)