quid vs pound sterling

quid and pound sterling both are nouns.

Word	Noun	Adjective	Verb	Adverb
quid	Yes	No	No	No
pound sterling	Yes	No	No	No

As nouns, quid and pound sterling are synonyms defined as:

quid and pound sterling: the basic unit of money in Great Britain and Northern Ireland; equal to 100 pence

Other synonyms of quid include British pound, British pound sterling, pound.

quid (noun)	pound sterling (noun)
a wad of something chewable as tobacco	the basic unit of money in Great Britain and Northern Ireland; equal to 100 pence
something for something; that which a party receives (or is promised) in return for something he does or gives or promises
the basic unit of money in Great Britain and Northern Ireland; equal to 100 pence