Root ل ز م(l z m) has 4 unique word forms and appears 5 times in the Quran.

English gloss Cling, Adhere, Stick, Necessary, Imperative, Obligatory, Compulsive

Word Translation Occurrences
أَلۡزَمۡنَٰهُ We have fastened to him 2
أَنُلۡزِمُكُمُوهَا should We compel you (to accept) it 2
لِزَامَۢا the inevitable (punishment) 2
لِزَامٗا an obligation 2
وَأَلۡزَمَهُمۡ and made them adhere 2