14th, 15th, 16th, 17th, 18th, 19th and 20th variations
Red ordinals are checked monthly, green quarterly, and black annually.

Other ordinals projects

Tools
{{ Clarify|date=June 2024|reason=Should this be ... ?}}
Correct ordinal 11st → 11th based on 
Clarification needed - 

14th

• "14st", "14st" — 8
• "14nd", "14nd" — 2
• "14rd", "14rd" — 3

15th

• "15st", "15st" — 17
• "15nd", "15nd" — 0
• "15rd", "15rd" — 2

16th

• "16st", "16st" — 15
• "16nd", "16nd" — 3
• "16rd", "16rd" — 0
• "16nth", "16nth" — 4

17th

• "17st", "17st" — 11
• "17nd", "17nd" — 7
• "17rd", "17rd" — 1

18th

• "18st", "18st" — 5
• "18nd", "18nd" — 3
• "18rd", "18rd" — 3

19th

• "19st", "19st" — 6
• "19nd", "19nd" — 11
• "19rd", "19rd" — 4
• "19nth", "19nth" — 4

20th

• "20st", "20st" — 30, because "%20" is used to indicate a space in many URLs, there are too many false positives to exclude. Actual uses can be found by finding " 20st" and "20st ".
• "20nd", "20nd" — 19
• "20rd", "20rd" — 5

Results

• 2013-08-19 — first run through 77 corrected or requested for clarification
• 2013-08-23 — follow up, 4 found, total 81
• 2013-11-13 — 4 found, total 85
• 2014-03-16 — 27 found, total 112
• 2014-06-18 — 7 found, total 119
• 2014-09-17 — 16 found, total 135
• 2014-12-16 — 21 found, total 156
• 2015-03-15 — 2 found, total 158
• 2015-07-07 — 7 found, total 165