Slipped

The nurse slipped and gave the patient the wrong medication.

The spy slipped the secret code into the message, without anyone realizing it.

He slipped the key into the lock and turned it quietly.

The secret plan was slipped into a confidential memo, without anyone noticing.

The doctor slipped and prescribed the wrong medication.

He slipped on the soap in the shower and grabbed onto the curtain to prevent falling.

She slipped and made an error in her calculations, resulting in an incorrect answer.

He slipped on the wet tiles and almost crashed into the wall.

I slipped up and forgot to send the important email.

The spy slipped past the guard and entered the building undetected.