When direct tafḍīl is unavailable from a non-basic stem, what does the text suggest?

Six Derived Noun Types: Active/Passive Participles, Comparison, Instrument, Place/Time, and Ṣifah Mushabbahah

• Changing passive noun into an imperative
• Adding ون to every word
• Deleting every radical
• أَكْثَرُ plus a suitable verbal noun