Incorrect spelling, explanation: 33th is incorrect because ending th is reserved for ordinal numbers which end in their word form with this sound (for example fifty-sixth – 56th). Thirty-third ends with rd and so this ending is as well used in numeral form 33rd. 33rd is therefore the correct form.
Correct spelling, explanation: this form is the correct one because the number ends with third (thirty-third (33rd), hence rd at the end (the same ending as the word form). For the same reason, 33th is incorrect – this ordinal number does not end with th. 33rd is the only correct form.
Definition of 33rd:
numeral, the ordinal number between 32nd and 34th
I don’t want a party for my 33rd birthday, I don’t feel like having guests.
It’s the 33rd book I’m reading this year.
Incorrect spelling
Incorrect spelling
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33rd batch farewell program is correct!
33th batch farewell program
Or
33rd batch farewell program
Which is correct???
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My boyfriend spells it not correctly.