Ibaadah: Worship.

Ibil: Camel.

Ihraam: Condition during which Muslims are forbidden to do and wear certain things while performing Hajj and Umrah.

Ijmaa: Consensus among the learned leaders among Muslims throughout the world.

Imaan: Faith

Imam: The person who leads the prayer; also refers to the leader of Muslims. Leader.

Iqaamah: Call to prayer made inside the Masjid just before the start of fard salaah.

Isha: The night prayer.

Islam: The religion of submission to the will of Allah. The religion of Muslims.

Israaf: Waste.

Istinjaa: Cleansing of the private parts after passing stools or urine.

Copied from 'THE ISLAMIC SCHOLAR'