Schediasm :: Schediasm (n.) Cursory writing on a loose sheet.
Schedule :: Schedule (n.) A written or printed scroll or sheet of paper; a document; especially, a formal list or inventory; a list or catalogue annexed to a larger document, as to a will, a lease, a statute, etc..
Schedule :: Schedule (v. t.) To form into, or place in, a schedule..
Schema :: Schema (n.) An outline or image universally applicable to a general conception, under which it is likely to be presented to the mind; as, five dots in a line are a schema of the number five; a preceding and succeeding event are a schema of cause and effect..