Incorrect spelling

23th

Incorrect spelling, explanation: this is an incorrect form of this numeral, because twenty-third is pronounced with suffix -rd at the end. This point to correct form 23rd, as third is a part of this ordinal number.


Correct spelling

23rd

Correct spelling, explanation: 23rd is an ordinal number, pronounced twenty-third. This pronunciation point to suffix -rd. -th is the suffix added to numbers ending with this sound when pronounced. Therefore the form 23th is incorrect.

Definition of 23rd:
numeral, ordinal number between 22nd and 24th
Jason came 23rd in this half-marathon – not bad at all!


Incorrect spelling

23nd

Incorrect spelling

Incorrect spelling

23st

Incorrect spelling