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 ἀκουστικός
Ancient Greek ἀκούω (affix)
Ancient Greek -ῐκός (affix)

English otacousticon (mention)
Catalan acústic (derived)
Czech akustický (derived)
Greek ακουστικός (derived)
Spanish acústico (borrowed)
French acoustique (borrowed)
Indonesian akustik (derived)
Indonesian akustika (derived)
Italian acustico (borrowed)
Latvian akustika (mention)
Polish akustyka (borrowed)
Portuguese acústico (derived)