No one it isn't real.
Digitalis is not a spell in Harry Potter.
Levicorpus is The Spell.
it absorbs the spell so that you get a portion of magicka in which the spell is so if the spell they used needs 90 magicka and your spell absorption is 15% then you get 15% of their spell :)
Those letters can be used to spell "religion".
used
Those letters can be used to spell "solitaire".
Those letters can be used to spell "hallucinations".
Rennervate is the spell used to revive someone hit by a Stunning Spell.
Yes, Double Spell can be used to activate a Continuous Spell card.
If spell check is set up to run on Google Chrome or websites then it can be used to spell check any typing done on that browser. It also notifies if the punctuation or a capital is used incorrectly.
Those letters can be used to spell "pitcher".
I spell it as T.Shirt when using it as a singular but t.shirt when used in a sentence.