Slash
smash
gnash
brash
crash
stash.
beach
henceheavehingehorsehousehadeshalvehelve
Death?
Vetch
Syrah
north. need I say more?
Some five letter words ending in H are:batchbeachbelchbirchbirthblushbrashbrushbunchcatchcoachconchcouchcrashcrushdeathearthfetchfifthflashfleshflushforthfreshgnashhatchlatchlunchlurchmarshmatchmorphneathninthnorthpeachperchplushpoochporchreachsixthslushsoothsouthteachtenthtoothtruthyouth
Vanquish is an eight letter word. Vermouth is another word beginning with v and ending with h.
Some 5-letter words ending with H, in alphabetical order:AbashAgushAmishAnighAwashBatchBeechBekahBelchBenchBerthBirchBirthBlushBoothBotchBoughBrothBrushBunchCatchClothCoachCoughCrashCrushCzechDeathDepthDitchDoughDutchEarthEphahEpochFaithFetchFifthFilchFinchFlashFleshFlushForthFreshFrothGirthGlyphGulchHarshHatchHeathHitchHoochHunchHutchIrishKutchLatchLaughLeachLeashLeighLoathLunchLurchLymphLynchMarchMarshMatchMirthMonthMoochMorphMouthMulchMunchMyrrhNatchNeighNinthNorthNotchNymphParchPatchPeachPerchPilchPinchPitchPlushPoachPoochPorchPouchPunchQuashQuechQueghQuishRajahRanchRatchReachReichRetchRewthRoachRoughSelahShashSushSinchSixthSlashSloshSlothSlushSmashSmithSoothSoughSouthStitchSwashSwishSwoshSylphTeachTeethTenthThighToothTorahTorchTouchToughTrashTruthUbykhVetchVouchWatchWaughWeighWelchWelshWenchWhichWidthWitchWorthWrathWrothYalahYouthZilch
hash
astonish
Hanukkah