Words With Silent Letters

All the following English language words contain silent letters. Can you work out from the definitions what these words are?

A document acknowledging that a person has received money. SILENT P
In medicine, not harmful in effect. SILENT G
Strike a surface noisily to attract attention. SILENT K
A droopy eyelid. SILENT P
Responsible for a wrongdoing. SILENT U
A pattern of letters or associations that assists in remembering something. SILENT M

A passage between rows of seats in a building. SILENT A
A fruit made up of around 100 drupelets. SILENT P
Animal with the scientic name Panthera pardus. SILENT O
Property of materials defined as the ability to emit light after absorbing electromagnetic radiation. SILENT C
Relating to knowledge, especially knowledge that most people do not have. SILENT G
Compelling attractiveness or charm. SILENT H
A fictitious name. SILENT P
In danger of being damaged or destroyed. SILENT O
The projecting piece on a sundial. SILENT G
A feeling of uncertainty. SILENT B
Filled with or operated by compressed air. SILENT P
A written outline of a film or novel. SILENT C
Reddish leaf stalks of a plant eaten as a fruit after cooking. SILENT H
The sound of a funeral bell. SILENT K