Numerical synonyms

For term labels with numerical parts, e.g., 10th, 11th, 12th, editors should ensure that there are the synonyms tenth, eleventh, twelfth (etc.)

Similarly for: 1st 1st-2nd 1st-3rd 1st-4th 1st-5th

2nd 2nd-3rd 2nd-4th 2nd-5th