Lemma نَاصِح has 4 unique word forms and appears 6 times in the Quran.

Word Translation Occurrences
ٱلنَّٰصِحِينَ the advisers, the sincere advisors 6
لَنَٰصِحُونَ surely well-wishers 2
نَاصِحٌ an adviser 2
نَٰصِحُونَ (will be) sincere 2