The augment nīk is added to the reduplicate of the Intensive (with expressed or elided yaṅ) in the following - 1. vañc 2. saṃsra 3. dhvaṃs 3. bhraṃś 4. kas 5. pat 6. pad and 7. skand,
Thus वनीवच्यते and वनीवञ्चीति; सनीस्रस्यते and सनीस्रंसीति; दनीध्वस्यते and दनीध्वंसीति; बनीभ्रस्यते and बनीभ्रंसीति, (बनीभ्रश्यते and बनीभ्रंशीति), चनीकस्यते and चनीकसीति; पनीपत्यते and पनीपंतीति, पनीपद्यते and पनीपदीति; चनीस्कद्यते and चनीस्कन्दीति ॥ The nasal is elided in one alternative by 6.4.24.,