probate vs postpone

probate is a noun but postpone is not a noun.

Word	Noun	Adjective	Verb	Adverb
probate	Yes	No	Yes	No
postpone	No	No	Yes	No

As verbs, postpone is a hypernym of probate; that is, postpone is a word with a broader meaning than probate:

Other hypernyms of probate include defer, hold over, prorogue, put off, put over, remit, set back, shelve, table.

probate (noun)	postpone (noun)
the act of proving that an instrument purporting to be a will was signed and executed in accord with legal requirements
a judicial certificate saying that a will is genuine and conferring on the executors the power to administer the estate

probate (verb)	postpone (verb)
establish the legal validity of (wills and other documents)	hold back to a later time
put a convicted person on probation by suspending his sentence