This is the 2113th most frequent Korean word.
예측
Prediction.
In this sentence, '예측' is used as a noun, meaning 'prediction' or 'forecast'.
그의 예측이 정확히 맞았다.
His prediction was exactly right.
Here, '예측하다' is used as a verb, meaning 'to predict'. It shows the action of making a prediction.
우리는 결과를 예측할 수 없었다.
We could not predict the results.
'예측' as a noun again, refers to the act or outcome of predicting, with emphasis on the difficulty of making such predictions.