Sicken is the verb form of sick. "That politician's actions sicken me."
YES! You can get a sickness. It is not a verb, because you cannot DO sickness, and it isn't and adjective, because you cannot BE sickness.
Morning sickness is a symptom of pregnancy.He has the sickness.There is a sickness going bout.It is a sickness in her head.
sickness
My mom had a sickness that was called pneumonia
Ailment is a synonym for sickness.
morning sickness
Motion sickness
It is a disease the causes a sickness.
The album that Down With the Sickness is from, The Sickness, was released March 7, 2000.
the band Disturbed sang down with the sickness on their album The Sickness in 2000
He died not from sickness, but age.
The plural form of sickness is sicknesses.