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).
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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 "pianos" is P-I-A-N-O-S.
the the correct way is regally
The correct way to spell 88 is "eighty-eight."
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Psychologist is the correct way to spell it...
That is the correct way to spell "spoons".
The correct way to spell it is "knowledge."
Unveil is the correct way to spell it.
The correct way to spell "burying" is b-u-r-y-i-n-g.