“PRESTS” is a valid word. — 8 points Scrabble

pressthe state of demanding notice or attention
stepsa flight of stairs or a flight of steps
restssomething left after other parts have been taken away
pestsa serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
strepspherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis
tressa hairdo formed by braiding or twisting the hair
prest
septsthe month following August and preceding October

restsomething left after other parts have been taken away
stepany maneuver made as part of progress toward a goal
setsa group of things of the same kind that belong together and are so used
petsa domesticated animal kept for companionship or amusement
psst
pesta serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
repsinformal abbreviation of `representative'
septthe month following August and preceding October
pertcharacterized by a lightly pert and exuberant quality
erstat a previous time
retsplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue
sers

seta group of things of the same kind that belong together and are so used
per
peta domesticated animal kept for companionship or amusement
repinformal abbreviation of `representative'
ser
resa widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
ess
ers
retplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue
pesthe part of the leg of a human being below the ankle joint

era trivalent metallic element of the rare earth group; occurs with yttrium
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
et
esa radioactive transuranic element produced by bombarding plutonium with neutrons
pethe 17th letter of the Hebrew alphabet

PRESTS