apocope

n. removal of the last letter in a word, removal of the last syllable in a word

In phonetics, apocope (Greek apokoptein “cutting off” from apo- “away from” and koptein “to cut”) is the loss of one or more sounds from the end of a word; especially, the loss of an unstressed vowel.
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Noun
1. abbreviation of a word by omitting the final sound or sounds; "the British get `pud' from `pudding' by apocope"
(hypernym) abbreviation

n. apocope, removal of the last letter in a word

n. apocope, apocopation

v. apocopate