illness

As nouns the difference between illness and decumbiture

is that illness is (countable) an instance of a disease or poor health while decumbiture is (obsolete) the fact of lying down, specifically of a person due to illness.

As nouns the difference between illness and paraphrenia

is that illness is (countable) an instance of a disease or poor health while paraphrenia is any of a group of psychotic illnesses involving delusions, distinct from paranoia and schizophrenia.

As a noun illness

is (countable) an instance of a disease or poor health.

As an adjective illnesslike is

resembling or characteristic of illness.

As nouns the difference between illness and bedrest

is that illness is (countable) an instance of a disease or poor health while bedrest is (medicine) confinement to bed, often under instructions of a physician, in order to recover from an injury, an illness, or the frailty associated with other physical discomforts such as a difficult pregnancy.

As nouns the difference between illness and backcast

is that illness is (countable) an instance of a disease or poor health while backcast is a cast or throw back.

As a verb backcast is

to identify the actions required in order to reach a proposed future.

As an adjective backcast is

retrospective.

As an adverb backcast is

long ago; in the past.

As nouns the difference between illness and unwellness

is that illness is (countable) an instance of a disease or poor health while unwellness is the state or characteristic of being unwell; a feeling of slight to moderate sickliness.