Root ل غ و(l g w) has 6 unique word forms and appears 11 times in the Quran.

Word Translation Occurrences
بِٱللَّغۡوِ by futility, for the thoughtless utterances, for (what is) unintentional 6
لَغۡوٗا any vain talk, vain talk 4
لَغۡوًا vain talk 2
لَٰغِيَةٗ vain talk 2
ٱللَّغۡوَ vain talk 2
ٱللَّغۡوِ the vain talk 2
وَٱلۡغَوۡاْ and make noise 2
لَغۡوٞ ill speech 2