demised

As verbs the difference between witness and demised

is that witness is to furnish proof of, to show while demised is (demise).

As a noun witness

is attestation of a fact or event; testimony.

As verbs the difference between demised and subject

is that demised is (demise) while subject is to cause (someone or something) to undergo a particular experience, especially one that is unpleasant or unwanted.

As an adjective subject is

likely to be affected by or to experience something.

As a noun subject is

(label) in a clause: the word or word group (usually a noun phrase) that is dealt with in active clauses with verbs denoting an action, the subject and the actor are usually the same.

As verbs the difference between dead and demised

is that dead is formerly, "be dead" was used instead of "have died" as the perfect tense of "die" while demised is past tense of demise.

As an adjective dead

is no longer living.

As an adverb dead

is exactly right.

As a noun dead

is (time when coldness, darkness, or stillness is most intense) Time when coldness, darkness, or stillness is most intense.

As a verb demised

is past tense of demise.

As an adjective deceased is

no longer alive.

As a noun deceased is

a dead person.

As verbs the difference between demises and demised

is that demises is while demised is (demise).

As verbs the difference between demisted and demised

is that demisted is past tense of demist while demised is past tense of demise.

As verbs the difference between demixed and demised

is that demixed is (demix) while demised is (demise).

As verbs the difference between demise and demised

is that demise is while demised is (demise).