Honorifics

Words that the speaker uses to show respect or a lack of respect to the person he is addressing.

• What pronouns are used to show respect or a lack of respect?
  thou (archaic) you (archaic)
• What particles are used to show respect?
  please
• What terms of direct address are used to show respect?
  sir ma'am your honor your majesty
• What words are used in greetings to show respect?
  hey hi hello pleased to meet you
• What words are used in requests to show respect?
  may can
• What words are used in apologies to show respect?
  sorry excuse me I beg your pardon