Islam (Submission to the will of Allah)
Arabs
Arabian Peninsula
Semitic Languages (e.g.  Arabic and Hebrew)
Semites
Razzia
Sheik
Blood feud
Infanticide
Hejaz
Mecca
Kaaba
Allah-Taala
Yathrib (Medina)
Mohammed (570-632)
Khadijah
Religious with an influence on Islam:
1.  Judaism
2.  Christianity
3.  Zoroastrianism
Moslem; Muslim (not Mohammedan)
Abu Bekr
Ali
Hegira (Hejira)
Islamic Era Date (Year 1 = 622 CE)
Mosque
Theocracy
Koran
Monotheism
Revelation
Angels
Djin (genie)
Shaitin
Ramadan
Hadj
Hadji (one who completes the Hadj)
Santiago de Campostela
Jihad
Byzantine Empire vrs. Sassanid Persian Empire
Ctesiphon
Baghdad
Heraclius
Proselytizing
Justinian
Corpus juris civilis
Dualism
Zoroaster
Ahura Mazda vrs. Ahriman
"People of the Book"
Leo III
Siege of Constantinople (717)
Wamba
Witiza
Rodrigo
Tarik
Gebel-al-Tarik (Gibraltar)
Battle of Guadalete (Lake Janda) (711)
Musa
Battle of Segoyuela (712)
Battle of Covadonga (718)
Asturia and Galicia
Al Andaluz
Charles Martel
Battle of Tours (732/733)
Sunnites (from "Sunna") vrs. Shiites (from Shi'ah:  Party of Ali)
Fatimah
Abu Bekr
Caliph
Omar
Othman
War of the Camel
Ommiad Dynasty (named for Omar) (Political capital:  Damascus) (634-750)
Abbasid Dynasty (named for Abbas) (Political capital:  Baghdad) (750-1258)
Seljuk Turks
Crusades
Abd-al-Rahman I(755-788)
Emirate of Cordoba
Caliphate of Cordoba (declared 928)
Arabs vrs. Berbers
Muladies and Mozarabes
Liber judiciorum
Spanish Ommiad Dynasty (755-1031)
Abd-al-Rahman II
Abd-al-Rahman III (912-961)
Subjugation of Badajoz, Toledo, and Zaragosa)
Medina Azzahra
Al-Mansur (976-1002)
Abdul Makik
Taifas
Almorávides
Yusuf
Battle of Sagrajas (1096)
Almohades
Battle of Las Navas de Tolosa (1212)
Innocent III (1198-1216)
Al-Andaluz
Aldea
Alcazar (from Latin "castra"; same root as the comparable English word, "castle")
Alcobas
Alcohol
Algodón
Azucar
Arroz
Naranja
Limón
Aceite
Alfalfa
Guadal (from Arabid "wadi")
Adobe
Azulejos
Algebra
Alchemy
Zero (Arabic “sifr”)
Cifra (sifr)
Cipher (English for any number)