I’ll provide the singular endings, you provide the plural endings.

der Ingenieur = engineer

der Diamant = diamond

der Schuh = shoe

der Millionär = millionaire

der Koffer = suitcase

der Apfel = apple

das Kleid = dress

der Wald = forest

der Park = park

der Mythos = myth

das Tempus = tense

die Firma = firm

die Bank = bench

die Bank = bank

die Regelmäßigkeit = regularity

die Durchsage = announcement

die Klinik = clinic

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