"knocketh"
4 occurrences in KJV
I sleep, but my heart waketh: it is the voice of my beloved that knocketh, saying, Open to me, my sister, my love, my dove, my undefiled: for my head is filled with dew, and my locks with the drops of the night.
For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened.