Moony is Remus Lupin, wormtail is Peter Pettigrew, padfoot is Sirius Black, and prongs is James Potter. They gave each other these names during their Hogwarts years, causing mayhem wherever they went.
FANBOYS helps students remember the conjunctions For, And, Nor, But, Or, Yet, So Hope this helps!
It is a word that connects words, clauses, and sentences.