Which maṣdar normally belongs to Form X?

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

• تَسْلِيمٌ
• اِسْتِغْفَارٌ
• إِكْرَامٌ
• تَعَلُّمٌ