These two forms belong to different attached-derived patterns.
Key structureExamplePattern
Initial ت + final weak elementتَقَلْسَىٰBab 8 / تفعلی
Hamzat-ul-Wasl + ن after second root + repeated final rootاِقْعَنْسَسَافعنلال
Both complete active Sarf-e-Sagheer paradigms are taught in this level; passive forms and Ism Maf'ool are not added.