Hajj
Mosque
Allah
Quran
Hadith
Ramadan
Adhan
Alhamdulillah
Muhammad
Salam
Imam
Jihad
Adl
Amanah
Assalamu alaikum
Fatwa
Halal
Islam - the religious system established through the prophet Muhammad; the Muslim religion; the body of Muslims, the Muslim world.
Source: Shorter Oxford English Dictionary
Harvard’s Islamic Heritage Project (IHP) is a digital collection religious texts and commentaries; Sufism; history, geography, law, and the sciences (astronomy, astrology, mathematics, medicine); poetry and literature; rhetoric, logic, and philosophy; calligraphy, dictionaries and grammar, as well as biographies and autobiographical works from the 13th to the 20th centuries CE, primarily in Arabic, Persian, and Ottoman Turkish.