“SERAC” is a valid word. — 7 points Scrabble

carethe work of providing treatment for or attending to someone or something
casean occurrence of something
raceany competition
carsa motor vehicle with four wheels; usually propelled by an internal combustion engine
earsthe sense organ for hearing and equilibrium
scara mark left (usually on the skin) by the healing of injured tissue
arsethe fleshy part of the human body that you sit on
acesthe smallest whole number or a numeral representing this number
ares(Greek mythology) Greek god of war; son of Zeus and Hera; identified with Roman Mars
acrea unit of area (4840 square yards) used in English-speaking countries
seraan amber, watery fluid, rich in proteins, that separates out when blood coagulates
searmake very hot and dry
erasa period marked by distinctive character or reckoned from a fixed point or event
arcselectrical conduction through a gas in an applied electric field
recs
rasetear down so as to make flat with the ground

area unit of surface area equal to 100 square meters
cara motor vehicle with four wheels; usually propelled by an internal combustion engine
seaa division of an ocean or a large body of salt water partially enclosed by land
earthe sense organ for hearing and equilibrium
sec1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
acethe smallest whole number or a numeral representing this number
eraa period marked by distinctive character or reckoned from a fixed point or event
arcelectrical conduction through a gas in an applied electric field
rec
sacan enclosed space
ser
sae
resa widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
rasthe network in the reticular formation that serves an alerting or arousal function
ers
ars

asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
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
esa radioactive transuranic element produced by bombarding plutonium with neutrons
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
ae

SERAC