How to spell INVESITAGION correctly?

The correct spelling for "invesitagion" is "investigation". To avoid this misspelling, pay attention to the order of the letters: "i", "n", "v", "e", "s", "t", "i", "g", "a", "t", "i", "o", and "n". Proofreading, using spell-check tools, and referring to dictionaries can also help eliminate such errors.