The correct plural is replies.
The spelling reply's would indicate either
1) a possessive form (Your reply's tone seemed hostile, meaning the tone of the reply) or
2) a contraction (My reply's in the mail, meaning the reply is in the mail).
what is the correct way to spell noticeable
that is the right way to spell it
Unveil is the correct way to spell it.
That is correct spelling
Iridescent is the correct way to spell it.
that is the correct way to spell forgery
The correct way to spell "a lot" is "allot."
what is the correct way to spell noticeable
The correct way to spell "councillor" is with two L's.
Pianos is correct.
the the correct way is regally
Eighty-eight.
The correct way to spell it is "knowledge."
that is the right way to spell it
That is the correct way to spell "spoons".
Psychologist is the correct way to spell it...
Unveil is the correct way to spell it.