The "prerogative" writs are a subset of the class of writs, those that are to be heard ahead of any other cases on a court's docket except other such writs. The most common of the other such prerogative writs are habeas corpus, quo warranto, prohibito, mandamus, procedendo, and certiorari.
tHe "prErogativE" wrIts Are a SUBSet of The cLass of wRItS, thOse That Are to Be heard ahead oF aNy Other caSes on a coUrt'S doCket excePT otHEr sucH wriTs. tHE mosT comMoN of tHe otheR sUch prERogaTIve wrIts are habEas corPUS, Quo warrAnTO prohibIto, MAnDamus, pRoceDendo, and certIorAri.