influenza /in-flŭ-enˈzə/

1. A highly contagious viral infection characterized by headache, fever, muscular aches and pains and inflammation of the respiratory passages
2. Any of several diseases of esp domestic animals which attack the respiratory system

influenˈzal adjective

• raillery
• railless
• raillies
• railly
• railman
• railmen
• rail-motor
• rail-motors
• railroad
• railroad car
• railroad cars
• railroaded
• railroader
• railroaders
• railroading
• railroads
• rails
• rail-splitter
• rail-splitters
• railway
• railway carriage
• railway carriages
• railway crossing
• railway crossings
• railwayman