sickle

noun 0.841

sickle-cell disease

noun 0.701

sick

noun 0.696

sickliness

noun 0.679

sickle moon

noun 0.673

sickle cell anaemia

noun 0.648

sickness

noun 0.648

green sickness

noun 0.574

sicko

noun 0.573

sickbed

noun 0.563

ailing

noun 0.558

sick day

noun 0.541

sick puppy

noun 0.539

sleeping sickness

noun 0.535

airsickness

noun 0.534

sickroom

noun 0.533

sick building

noun 0.529

sinking

noun 0.527

ickle

noun 0.524

aching

noun 0.518

illness

noun 0.517

scoliotic

noun 0.515

heartsickness

noun 0.509

scurvy

noun 0.506

sagging

noun 0.506

sialidosis

noun 0.505

sucking

noun 0.504

sick building syndrome

noun 0.504

siskin

noun 0.500

haemoglobinopathy

noun 0.500