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