Words That Are Actually Just Acronyms

The list only  includes words that are in lower case when in the written form.

1. Scuba - Self Contained Underwater Breathing Apparatus

2. Laser - Light Amplification by Stimulated Emission of Radiation

3. Modem - Modulator - Demodulator 

4. Radar - Radio Detection and Ranging

5.Sonar- Sound Navigation and Ranging

6.  Wifi - Wireless Fidelity

7. In computer programming, Basic stands for Beginner's All-purpose Symbolic Code.

photo credits: scuba: jimfbleak via en.wikipedia, laser: beamq via morgueFile, modem:  alvimann via morgueFile, radar: photo: exemplum via morgue File, sonar:  Sonar Principle