substitute

As nouns the difference between substitute and extra

is that substitute is a replacement or stand-in for something that achieves a similar result or purpose while extra is a run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball; in Australia referred to as a sundry.

As a verb substitute

is to use in place of something else, with the same function.

As an adjective extra is

beyond what is due, usual, expected, or necessary; extraneous; additional; supernumerary.

As an adverb extra is

to an extraordinary degree.

As verbs the difference between referencing and substitute

is that referencing is while substitute is to use in place of something else, with the same function.

As a noun substitute is

a replacement or stand-in for something that achieves a similar result or purpose.

In lang=en terms the difference between instance and substitute

is that instance is to cite an example as proof; to exemplify while substitute is to serve as a replacement (for someone or something).

As nouns the difference between instance and substitute

is that instance is (obsolete) urgency of manner or words; an urgent request; insistence while substitute is a replacement or stand-in for something that achieves a similar result or purpose.

As verbs the difference between instance and substitute

is that instance is to mention as a case or example; to refer to; to cite; as, to instance a fact while substitute is to use in place of something else, with the same function.

In transitive terms the difference between vary and substitute

is that vary is to make of different kinds; to make different from one another; to diversity; to variegate while substitute is in the phrase "substitute X with/by Y", to use Y in place of X; to replace X with Y.

In intransitive terms the difference between vary and substitute

is that vary is to be or act different from the usual while substitute is to serve as a replacement (for someone or something.

As verbs the difference between substitute and succeed

is that substitute is to use in place of something else, with the same function while succeed is to follow in order; to come next after; hence, to take the place of.

As a noun substitute

is a replacement or stand-in for something that achieves a similar result or purpose.

As a verb substitute

is to use in place of something else, with the same function.

As a noun substitute

is a replacement or stand-in for something that achieves a similar result or purpose.

As nouns the difference between plugin and substitute

is that plugin is while substitute is a replacement or stand-in for something that achieves a similar result or purpose.

As a verb substitute is

to use in place of something else, with the same function.

As nouns the difference between substitute and location

is that substitute is a replacement or stand-in for something that achieves a similar result or purpose while location is a particular point or place in physical space.

As a verb substitute

is to use in place of something else, with the same function.

As verbs the difference between substitute and understudy

is that substitute is to use in place of something else, with the same function while understudy is to study or know a role to such an extent as to be able to replace the normal performer when required.

As nouns the difference between substitute and understudy

is that substitute is a replacement or stand-in for something that achieves a similar result or purpose while understudy is a performer who understudies; a standby.

As verbs the difference between override and substitute

is that override is to ride across or beyond something while substitute is to use in place of something else, with the same function.

As nouns the difference between override and substitute

is that override is a mechanism, device or procedure used to counteract an automatic control while substitute is a replacement or stand-in for something that achieves a similar result or purpose.