Root س ل ف(s l f) has 4 unique word forms and appears 8 times in the Quran.

English gloss Past, Precede, Forefathers, Ancestors

Word Translation Occurrences
سَلَفَ (has) passed, (is) past, (has) passed, (is) past 4
سَلَفَۚ (has) passed, passed before, (has) passed, passed before 4
أَسۡلَفَتۡۚ it did previously, it did previously 2
أَسۡلَفۡتُمۡ you sent before you, you sent before you 2
سَلَفَۗ passed before, passed before 2
سَلَفٗا a precedent, a precedent 2