ABBASID
AL-QUDS (JERUSALEM)
ASKAR
CALIPH
DAR AL-HARB, HAJJ
DHIMMI
DIWAN
FAQUIH
FATIMID
GAZI (GHAZI)
HADITH
IQTA (MUQTAR)
IMAM
ISMAILI
JIHAD (MUJAHID)
KHARAJ
KATIB
KHUTBA (KHATIB)
MAMLUK
MADRASAH
QADI
SHIITE
SUFI
SURAH
SUNNI
ULAMA
WAZIR (VIZIER)

Hillenbrand, xliii sq. and Holt, The Age of the Crusades, 221-5 have reliable explanations for many of these terms.

BEHA AD-DIN (Saladin biography)
IBN AL-ATHIR (Zengid)
IBN AL-JAWZI (Iraqi, ob. 1177)
IBN AL-QALANISI (Damascus)
IMAD AD-DIN (Saladin biography)