blackout

As a letter a

is the letter a with a tilde.

As a noun blackout is

a temporary loss of consciousness.

As nouns the difference between blackout and blackout

is that blackout is a temporary loss of consciousness while blackout is a temporary loss of consciousness.

As nouns the difference between blackout and outrage

is that blackout is a temporary loss of consciousness while outrage is an excessively violent or vicious attack; an atrocity.

As a verb outrage is

to cause or commit an outrage upon; to treat with violence or abuse.

As nouns the difference between blackout and null

is that blackout is a temporary loss of consciousness while null is a non-existent or empty value or set of values.

As an adjective null is

having no validity, "null and void.

As a verb null is

to nullify; to annul.

As nouns the difference between blackout and knockout

is that blackout is a temporary loss of consciousness while knockout is the act of making someone unconscious, or at least unable to come back on their feet within a certain period of time; a TKO.

As an adjective knockout is

rendering someone unconscious.

As nouns the difference between blackout and failure

is that blackout is a temporary loss of consciousness while failure is state or condition of not meeting a desirable or intended objective, opposite of success.

As nouns the difference between blackout and dropout

is that blackout is a temporary loss of consciousness while dropout is someone who has left an educational institution without completing the course.

As nouns the difference between loop and blackout

is that loop is a length of thread, line or rope that is doubled over to make an opening while blackout is a temporary loss of consciousness.

As a verb loop

is to form something into a loop.

As nouns the difference between blackout and coma

is that blackout is a temporary loss of consciousness while coma is a state of sleep from which one may not wake up, usually induced by some form of trauma.

As nouns the difference between blackout and sheer

is that blackout is a temporary loss of consciousness while sheer is (nautical) the curve of the main deck or gunwale from bow to stern.

As an adjective sheer is

(textiles) very thin or transparent.

As an adverb sheer is

(archaic) clean; quite; at once.

As a verb sheer is

(chiefly|nautical) to swerve from a course.