According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern S--RRE--. That is, eight letter words with 1st letter S and 4th letter R and 5th letter R and 6th letter E. In alphabetical order, they are:

skirrets

sparrers

spurrers

spurreys

stirrers

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -PU-RER-. That is, eight letter words with 2nd letter P and 3rd letter U and 5th letter R and 6th letter E and 7th letter R. In alphabetical order, they are:

spurrers

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern SPU-RE--. That is, eight letter words with 1st letter S and 2nd letter P and 3rd letter U and 5th letter R and 6th letter E. In alphabetical order, they are:

spurrers

spurreys

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 65 words with the pattern S-U---R-. That is, eight letter words with 1st letter S and 3rd letter U and 7th letter R. In alphabetical order, they are:

sauciers

saufgard

saunters

sautoire

sautoirs

scudders

scudlers

scuffers

sculkers

scullers

scullery

scumbers

scummers

scunners

scuppers

scutters

scutwork

shuckers

shudders

shuddery

shunners

shunters

shushers

shutters

skudlers

skulkers

skummers

slubbers

sluggard

sluggers

slughorn

slumbers

slumbery

slumlord

slummers

slurpers

sluttery

smudgers

smuggery

snubbers

snuffers

snuggery

sounders

southern

southers

spudders

spunyarn

spurners

spurrers

spurters

sputters

sputtery

squalors

squarers

stubborn

studfarm

studiers

studwork

stuffers

stuivers

stumpers

stunkard

stunners

sturmers

stutters

There is no English word that meets the criteria. However, here are some words you can make if you repeat some of the letters.

deemster, dempster, demurest, demurred, demurrer, depermed, deserted, deserter, desserts, deterred, deterrer, detested, detester, detruded, detrudes, dressers, drummers, duresses, eremurus, esteemed, estruses, meseemed, murdered, murderee, murderer, murmured, murmurer, musettes, mustered, muttered, mutterer, peppered, pepperer, perdured, perdures, permuted, permutes, perusers, pestered, pesterer, preempts, pressers, pressure, presters, presumed, presumer, presumes, pretests, purpures, pursuers, puttered, putterer, redeemed, redeemer, repumped, repursue, reseeded, resetter, restress, resumers, retemper, retested, reutters, rumpuses, ruptured, ruptures, semester, septette, smeddums, speeders, speedups, spudders, spurrers, sputters, steepers, steepest, steerers, stemmers, steppers, stressed, stresses, strummed, strummer, strumpet, strutted, strutter, stumpers, stutters, summered, sumpters, suppress, supremer, susurrus, teetered, tempered, temperer, tempests, tempters, tressure, trumpets, trussers, trusteed, trustees, trusters, turreted, upsetter, usurpers, uteruses, utterers