This is the 16832nd most frequent Korean word.
살라흐가
"살라흐가" does not appear to be a standard Korean word. It may be a phonetic rendering or reference to "Salah" (e.g., the name of a football player).
Here, '살라흐가' is used as the subject of the sentence to indicate who performs the action of playing soccer.
살라흐가 축구를 잘합니다.
Salah plays soccer well.
Here, '살라흐가' denotes the person who performed the action of scoring a goal.
살라흐가 골을 넣었습니다.
Salah scored a goal.
Here, '살라흐가' is used to state a predicate, identifying Salah as the specific person in the description.