فُعُوْلَةٌ المَصْدَرُ

Original (Noun of action)/ الْمَصْدَرُ 

فَعَالَةٌ and فُعُوْلَةٌ are the abstract nouns from the intransitive verb of the form فَعُلَ

Surah/AyatSurah/AyatMeaningNoun
مَعْنَىاِسْمٌ
105/2
To be roughخَشُنَRoughnessخُشُوْنَةٌ
To be smoothسَهُلَSmoothnessسُهُوْلَةٌ