Philadelphia Eagles Football Club, Attn: Community Relations Department, 1 NovaCare Way, Philadelphia, PA 19145.
Donation is the correct spelling.
Yes
Try, "I am respectfully requesting a stay on my decision."
That is the correct spelling of "bear with me", requesting "forbearance" or patience.
Yes, though to make it flow more smoothly, I would write "I have sent an email requesting that you be added to the list."
Address with double-d is correct.
The correct spelling is 'Philadelphia'.
"Was it your previous address?" is proper grammar. You could also ask "Was this your previous address?" or "Was that your previous address?"
how to write correct address on the envelope to Lithuania
The proper name, the largest city in Pennsylvania, is spelled Philadelphia.
The correct spelling is "address". When you are talking about more than one it's "addresses".
You might be trying to spell filo, which is a thin, uneven dough used to make pastries.Or you may be trying to spell phyllo, which is the prefix of phyllotaxis, meaning leaf or relating to leaves.