Answer:

elisions

Answer	Crossword Clue
ELISIONS	Pronunciation omissions
ELISIONS	Colloquial language features
ELISIONS	Vocal shortcuts

ELISIONS	Instances of syncope
ELISIONS	Omissions
ELISIONS	Letter drop-offs
ELISIONS	Speakers' shortcuts
ELISIONS	Parts left out
ELISIONS	What apostrophes are often used for