Common Examples:
* Ad: Advertisement
* Bike: Bicycle
* Burger: Hamburger
* Bus: Omnibus
* Cab: Taxicab
* Doc: Doctor
* Exam: Examination
* Flu: Influenza
* Gym: Gymnasium
* Lab: Laboratory
* Math: Mathematics
* Memo: Memorandum
* Photo: Photograph
* Prof: Professor
* Ref: Referee
* Tech: Technician
* Phone: Telephone
* TV: Television
* Veg: Vegetable
* Zoo: Zoological Gardens
Less Common Examples:
* Astro: Astronaut
* Bra: Brassiere
* Cops: Policemen
* Disco: Discotheque
* Fridge: Refrigerator
* Frosh: Freshman
* Hi-fi: High Fidelity
* Limo: Limousine
* Pre-med: Pre-medical
* Pub: Public House
* Sci-fi: Science Fiction
* Tex: Texan
* Via: Viaduct
* Wiki: Wikipedia
Informal Examples:
* Wanna: Want to
* Gotta: Got to
* Gimme: Give me
* Lemme: Let me
* Dunno: Don't know
Note:
* Some of these words have become so commonplace that they are considered their own words in their truncated form.
* Truncation is often used to create informal or slang terms.
* There are also many other examples of truncated words, and the list above is not exhaustive.