Word: Ilm al-kalam

Meaning: theology 

Word: Falsafah

Meaning: philosophy 

Word: Fiqh

Meaning: Islamic law 

Word: Mantiq

Meaning: logic 

Word: Akhlaq

Meaning: Spiritual ethics   

Word: Irfan

Meaning: Islamic mysticism 

Word: Usul al-Fiqh

Meaning: the study and critical analysis of the origins, sources, and principles upon which fiqh or Islamic law is based on.