janitor

n (US) = caretaker.

jacket, jackpot, Jacobean, Jacobite, Jacuzzi, jade, jaded, jag, jagged, jaguar, jail, jalopy, jam, jam session, jam-packed, jamb, jamboree, jammy, Jan, jangle, January, japan, Japanese, jape, japonica, jar, jargon, jasmine, jasper, jaundice, jaundiced, jaunt, jauntily, jauntiness, jaunty, Java, javelin, jaw, jaw-bone, jay,