The sound "Dacia" is closer to "Дача" in Russian pronunciation. The word "Дача" (pronounced "dacha") refers to a country cottage or summer house commonly found in Russia and other Slavic countries. It typically serves as a place for relaxation, gardening, and spending time away from the city.
On the other hand, "Дакия" (pronounced "dakiya") refers to the ancient region of Dacia, which encompassed parts of modern-day Romania, Moldova, and Bulgaria. The word is used to refer to the historical civilization that inhabited this region during the Roman Empire.
While the sound "Dacia" is closer to "Дача" in Russian pronunciation, it's important to note that the meaning of the word "Dacia" itself is not directly related to either "Дача" or "Дакия" in Russian. "Dacia" generally refers to the historical region and civilization of Dacia rather than a country cottage.