whortleberry/ʹwuhtlb(ə)ri, -beri/ noun (pl -ies) (pl whortleberries)

• ISBN
• ischaemia
• ischium
• ISDN
• -ise
• isentropic
• -ish
• isinglass
• isl.
• Islam
• Islamise
• Islamist
• Islamize
• island
• isle
• islet
• islets of Langerhans
• ism
• -ism
• Ismaili
• isn't
• ISO
• iso-
• isobar
• isobutylene