PAC

1. Pan-Africanist Congress
2. Port Authorization Code, used to switch between mobile phone networks

• letterboxes
• letterboxing
• letterboxings
• letter-card
• letter-cards
• letter-carrier
• letter-carriers
• letter-clip
• letter-clips
• lettered
• letterer
• letterers
• letter-founder
• letter-founders
• letter-gae
• letterhead
• letter-heading
• letterheads
• lettering
• letterings
• letterless
• letter missive
• lettern
• letter of attorney
• letter of comfort