“RINSER” is a valid word. — 6 points Scrabble

sirena sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived
risen(of e.g. celestial bodies) above the horizon
rinsea liquid preparation used on wet hair to give it a tint
reinsone of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
resinany of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
risera person who rises (especially from bed)
serinany of various brown and yellow finches of parts of Europe

risea growth in strength or number or importance
sirea title of address formerly used for a man of rank and authority
reinone of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
sineratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
reisany rational or irrational number
errsto make a mistake or be incorrect
rins
iresa strong emotion; a feeling that is oriented toward some real or supposed grievance
ernsbulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland

sirterm of address for a man
sinestrangement from god
errto make a mistake or be incorrect
rin
sena fractional monetary unit of Japan and Indonesia and Cambodia; equal to one hundredth of a yen or rupiah or riel
sri
insan agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States
ser
rei
resa widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
sei
irea strong emotion; a feeling that is oriented toward some real or supposed grievance
ers
ernbulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland
ens

ishave the quality of being; (copula, used with an adjective or a predicate noun)
ina unit of length equal to one twelfth of a foot
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
enhalf the width of an em
sia tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
esa radioactive transuranic element produced by bombarding plutonium with neutrons
nea colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts

RINSER