MP

1. Member of Parliament
2. Metropolitan Police
3. Military Police(man)
4. Mounted police
5. Municipal Police (N American)

mp

1. Melting-point (also m.p.)
2. Mezzo-piano (music)

• straightest
• straight-faced
• straight fight
• straight fights
• straight flush
• straightforth
• straightforward
• straightforwardly
• straightforwardness
• straight from the horse's mouth
• straight from the shoulder
• straight-from-the-shoulder
• straight gear
• straighting
• straightish
• straightjacket
• straight-jet
• straightly
• straight man
• straight men
• straightness
• straightnesses
• straight off
• straight out
• straight-out