“SICKEES” is a valid word. — 13 points Scrabble

sickee
ecesis(ecology) the process by which a plant or animal becomes established in a new habitat

sickpeople who are sick
kissthe act of caressing with the lips (or an instance thereof)
seesthe seat within a bishop's diocese where his cathedral is located
seekthe movement of a read/write head to a specific data track on a disk
skisnarrow wood or metal or plastic runners used in pairs for gliding over snow
secs1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
iceswater frozen in the solid state
seis
skee
sike
cess
cees
esesthe compass point midway between east and southeast
sicsurge to attack someone
sice
ekes

seethe seat within a bishop's diocese where his cathedral is located
icewater frozen in the solid state
sec1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
sisa female person who has the same parents as another person
skinarrow wood or metal or plastic runners used in pairs for gliding over snow
cee
sicurge to attack someone
sei
ick
ess
cisan alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
eke

ishave the quality of being; (copula, used with an adjective or a predicate noun)
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

SICKEES