ordinal numbers

• 1st

  first
• 2nd

  second
• 3rd

  third
• 4th

  fourth
• 5th

  fifth
• 6th

  sixth
• 7th

  seventh
• 8th

  eighth
• 9th

  nineth
• 10th

  tenth
• 11th

  eleventh
• 12th

  twelfth
• 13th

  thirteenth
• 14th

  fourteenth
• 15th

  fifteenth
• 16th

  sixteenth
• 17th

  seventeenth
• 18th

  eighteenth
• 19th

  nineteenth
• 20th

  twentieth
• 21th

  twenty-first
• 22th

  twenty-second
• 23th

  twenty-third
• 24th

  twenty-fourth
• 25th

  twenty-fifth
• 26th

  twenty-sixth
• 27th

  twenty-seventh
• 28th

  twenty-eighth
• 29th

  twenty-nineth
• 30th

  thirtieth