APOCOPE - The Shorter version of Bigger Words

In order to economise or simplify an expression, the end part of a word is removed. For example the simple short form of a word advertisement is Ad. The word chips is an abbreviated version of chipped potatoes. More examples are given below.

AD : ADvertisement
AMP : AMPere
BRA : BRAssiere
CAPS : CAPital letters
Cinema : Cinematograph
CHIMP : CHIMPanzee
CHIPS : CHIPped potatoes
CURIO : CURIOsity
DEMOB : DEMOBilise
DISCO : DISCOtheque
EXAM : EXAMination
FAN : FANatic
GENT : GENTleman
GYM : GYMnasium
HIPPO : HIPPOpotamus
INFO : INFOrmation
LAB : LABoratory
MATH : MATHematics
MATRIC : MATRICulation
PANTS : PANTaloons
PERKS : PERquisites
PHOTO : PHOTOgraph
POLIO : POLIOmyelitis
POP : POPular music
PREP : PREParation
PROPS : PROPerties
PUB : PUBlic house
QUAD : QUADrangle
SUB : SUBmarine
VET : VETerinary surgeon