(Source: London Evening Standard)
"most Scots" ⇒ some of the letters in "Scots" ⇒ e.g. "Sco"
"use" ⇒ in this clue, unaltered! ⇒ although note, placed at the end of whatever came before
General meaning ⇒ a dialect used in the North ⇒ given the source, the North of England
Answer ⇒ Scouse