Possible Clues:

• Fail to pronounce, as a syllable
• Shorten inside for the top
• Omit (syllable) in speech
• Say "cap'n," e.g
• Skip over syllables
• Slip the cover inside
• Omit (a syllable)
• Pass over in pronouncing
• A drawler might do it
• Say "Li'l Abner," say