Another very important type is hypercorrect or inverse spelling (Rückschreibung, backspelling). Here a segment that has been lost or altered is spelled in the 'wrong' environment, suggesting that the writer knows that some words have it by convention, but not precisely which.

Hassan kneed himself up, over, in, soundlessly, feet on floor, knife out, eyes like blunter knife trying to cut darkness.

Nicknames like Pat, Sam, and Chris are androgynous, used by both men and women.

Precisely. Whoever killed this young girl was sinistromanual, an unusual state in this day. / My murderer was left-handed? That is most unusual, I agree. How do you come to that finding?