Ghairah - Jealousy as regards women. Also it is a feeling of great fury and anger when ones honor or prestige is injured or challenged.
Ghazi - A person who has taken part in a jihad.
Ghazwah - A battle for the cause of Allah in which Prophet Muhammad (pbuh) himself took part.
Ghazwat-ul-Khandaq - The name of a battle between the early Muslims and the infidels in which the Muslims dug a trench around Medina to prevent any advance by the enemies.
Ghulul - Stealing from the war booty before its distribution.
Ghuraf - Special abodes.
Ghurr-ul-Muhajjalun - A name that will be given on the day of resurrection to the part of the body, that will shine. These sections of the body are the ones, they used to wash in absolution.
Ghusl - The full ritual washing of the body with water to be pure for the prayer.