Forty is the correct spelling of the word.
Some example sentences are:
Yes, "forty" is the correct spelling for the number between thirty-nine and forty-one.
No, it is spelt Forty.
Forty one is the correct spelling.
The correct spelling of 41 is "forty-one."
The correct spelling of 40000 is "forty thousand."
The correct spelling is "forty-three."
The correct spelling of 41st is "forty-first."
No.
Forty one is the correct spelling.
That is the correct spelling of "forty" (40).
The ordinal number 40th is spelled fortieth.
Forty
The correct spelling of 41 is "forty-one."
Yes, forty is the correct spelling for the number 40.
That is the correct spelling of forty-three (43).
The correct spelling of 40000 is "forty thousand."
Forty one.
Forty
forty