How to spell EIGHTEENTHH correctly?

When it comes to correcting the misspelling "eighteenthh", here are a few possible suggestions that can be considered. Firstly, the correct spelling is "eighteenth", with only one "h" at the end. Secondly, one can use "18th" as a numerical representation of the word. Lastly, referring to it as the "second-to-last day of the month" avoids the need for precise spelling altogether.

• eighteenth The eighteenth century saw many advances in science and technology.
• eighteenths There are two eighteenths in every one-ninth.

Asing

• acing
• aging
• aping
• arcing
• ask in
• asking
• assign
• assn
• awing
• axing