She made several mistakes in her presentation.

I often make mistakes when I try something new.

She made a mistakeful decision that cost her the promotion.

Mistakeability is an important factor to consider when designing user-friendly interfaces.

He mistaked her for his sister.

Her handwriting is mistakeable for her sister's.

She mistakenly took the wrong train.

Her explanation was mistakable and caused confusion among the audience.

He made a mistaking in his calculations.

She is mistaking the address for the phone number.