lapse

A mistake resulting from inattention.

A failure to maintain a higher state.

A break or intermission in the occurrence of something.

“a lapse of three weeks between letters”

Pass into a specified state or condition.

Pass by.

“three years elapsed”

Go back to bad behavior.

Drop to a lower level, as in one's morals or standards.

End, at least for a long time.

“The correspondence lapsed”

Let slip.

“He lapsed his membership”