This is the 782nd most frequent Estonian word.
venemaad
"Venemaad" is the partitive singular form of "Venemaa," meaning "Russia" in English.
In this case, 'Venemaa' is in the nominative case and serves as the subject of the sentence.
Venemaa on väga suur riik.
Russia is a very large country.
In this sentence, 'Venemaal' is the adessive case of 'Venemaa', indicating location in or on Russia.
Ma olen Venemaal käinud mitu korda.
I have visited Russia several times.
Here, 'Venemaad' is the partitive case of 'Venemaa', showing a focus on the object of exploration.