This is only really addressed in Harry Potter and the Goblet of Fire during the second Triwizard task. When Harry is underwater his spell that normally creates a spark comes out as a "jet of boiling water". But I'm sure different spells would look different.
luna lovegood uses this spell to fix harry's nose after draco malfoy breaks it. this was in the sixth book.
I never heard the word "patration" in the context of Harry Potter (or otherwise). Check the spelling - perhaps you spelled it wrong.
Harry Potter's patronus takes the shape of a stag, the animagus and patronus form of his father. The Patronus spell is used against Dementors but can also be used as a method of communication.
It was the result of a spell. However, since this didn't occur in the book it is not known what spell was used.
Finite incantatem. It does other stuff too, but that is one of them:) ~PippiQ Pembrooke
Digitalis is not a spell in Harry Potter.
Harry Potter's favorite spell was Expelliarmus (disarming spell) but he also used Stupefy (stunning spell) a lot.
Fera veto is not a known or mentioned spell in the Harry Potter series.If you meant vera verto, this spell is used for transfiguring animals into water goblets. Professor McGonagall demonstrates this spell in Harry's second year transfiguration class.
Stupefy.
Mobiliarabus
Expelliarmus.
Accio
Expecto Patronum
Petrificus totalis
In the fourth book, Harry used the spell, Diffindo, to rip Cedric Diggory.
The spell that Harry Potter used to cause Draco Malfoy to bleed continuously in the bathroom duel scene of "Harry Potter and the Half-Blood Prince" is called "sectumsempra".
The spell Expecto Patronum is used for calling your Patronus in Harry Potter.