As a noun backup is

a reserve or substitute.

As an adjective backup is

standby, reserve or extra.

As verbs the difference between creates and survive

is that creates is third-person singular of create while survive is of a person, to continue to live; to remain alive.

As a verb obey

is to do as ordered by (a person, institution etc), to act according to the bidding of.

As a noun stick is

(ireland) a member of the official ira.

As a proper noun stick is

(musici) the chapman stick, an electric musical instrument devised by emmett chapman.

As nouns the difference between dash and air

is that dash is (typography) any of the following symbols: (''horizontal bar ) while air is .

As a verb dash

is to run quickly or for a short distance.

As an interjection dash

is (euphemistic) damn!.

As a verb join is

to combine more than one item into one; to put together.

As a noun join is

an intersection of piping or wiring; an interconnect.

As a verb travel is

to be on a journey, often for pleasure or business and with luggage; to go from one place to another.

As a noun travel is

the act of traveling.

As a verb affirm is

to agree, verify or concur; to answer positively.

As nouns the difference between duplicate and xerox

is that duplicate is one that resembles or corresponds to another; an identical copy while xerox is .

As an adjective duplicate

is being the same as another; identical this may exclude the first identical item in a series, but usage is inconsistent.

As a verb duplicate

is to make a copy of.

As adverbs the difference between scarcely and freshly

is that scarcely is (modal) probably not while freshly is recently, newly.

As nouns the difference between shriek and wail

is that shriek is a sharp, shrill outcry or scream; a shrill wild cry such as is caused by sudden or extreme terror, pain, or the like while wail is a prolonged cry, usually high-pitched, especially as of grief or anguish.

As verbs the difference between shriek and wail

is that shriek is to utter a loud, sharp, shrill sound or cry, as do some birds and beasts; to scream, as in a sudden fright, in horror or anguish while wail is to cry out, as in sorrow or anguish.