Ƙamus ɗin Hausa wanda yake bada ma’ana da bayanin kalma cikin harshen Hausa ayanar gizo-gizo cikin sauƙi
Organization of Islamic Cooperation (OIC) - Kadaurar Haɗa-Kan Musulmi
Organization of Petroleum Exporting Countries (OPEC) - Ƙungiyar Ƙasashe Masu Arzikin Fetur
Organization Of Trade Unions of West Africa (OTUWA) - Ƙungiyar 'Ƴankasuwa Ta Yammacin Afirka
Origin - A turance tana nufin origin.
Misali; Annabi Muhammad yana da kyakkyawan asali.
HAU; Asali (Tana nufin tushe ko mafari)
Outdoor Advertising Association Of Nigeria (OAAN) - Ƙungiyar Kamfanonin Allunan Talla Ta Najeriya
Outsider - A turance tana nufin bare.
Misali; Iliya bare ne, ba mu da dangantaka da shi.
HAU; Bare (Tana nufin wanda ba a da dangantaka ta jini da shi)
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