As nouns the difference between referral and authorization

is that referral is the act or process of transferring someone or something to another, of sending by reference, or referring while authorization is (uncountable) permission.

As nouns the difference between barm and farmhouse

is that barm is (obsolete except in dialects) bosom, lap or barm can be foam rising upon beer, or other malt liquors, when fermenting, and used as leaven in making bread and in brewing; yeast while farmhouse is a farmer's residence.

As adjectives the difference between gregarious and recluse

is that gregarious is (of a person) describing one who enjoys being in crowds and socializing while recluse is (now rare ) sequestered; secluded, isolated.

As a noun recluse is

a person who lives in self-imposed isolation or seclusion from the world, especially for religious purposes; a hermit.

As a verb recluse is

(obsolete) to shut; to seclude.

As nouns the difference between caffeine and guaranine

is that caffeine is an alkaloid, c₈h₁₀n₄o₂, found naturally in tea and coffee plants which acts as a mild stimulant of the central nervous system while guaranine is caffeine extracted from guarana.

As nouns the difference between army and many

is that army is a large, highly organized military force, concerned mainly with ground (rather than air or naval) operations while many is a multitude; a great aggregate; a mass of people; the generality; the common herd.

As a proper noun Army

is a sports team representing the US Military Academy at West Point.

As a determiner many is

an indefinite large number of.

As a pronoun many is

a collective mass of people.

As verbs the difference between escape and ignore

is that escape is while ignore is .

As nouns the difference between stigma and stigmatisation

is that stigma is stigma (mark of infamy) while stigmatisation is stigmatization.

As verbs the difference between leaking and dribbling

is that leaking is while dribbling is .

As nouns the difference between leaking and dribbling

is that leaking is the act by which something leaks while dribbling is an amount of liquid that is dribbled.

As nouns the difference between stir and prod

is that stir is scorpion while prod is (slang|sometimes derogatory) a protestant, (as termed by roman catholics), that is in the context of their religious beliefs, or those who have been born in the protestant tradition, or sometimes those implied to be protestant by their political ideology of irish unionism or ulster loyalism.

As an interjection new

is mew, meow, miaow.

As a proper noun bud is

a male nickname or bud can be (informal) a nickname for the beer.