How to spell PREOPERLY correctly?

If you meant to say "properly", that would be a correct spelling of the word. Another option could be "previously", depending on the context of your sentence.

List of suggestions on how to spell preoperly correctly

properly Please dress properly for the event.
property The value of the property has increased significantly due to the booming real estate market.

Misspelling of the day

Intertubing

antedating
entertain
entertainer
entertaining
inditing
inner-tubing
intertwine
interurban
intuiting
undertaking

more