Slipped

He slipped on the wet steps and tumbled down the stairs.

She slipped on the rug and nearly fell down the stairs.

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

She slipped on the wet spot in the kitchen and dropped the dishes she was carrying.

The conversation with my boss slipped from my consciousness.

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

The politician slipped out of the event before the press could ask any questions.

The politician slipped up and made a controversial statement.

He slipped his backpack off his shoulder and onto the ground.