I spell it the same as you did, it is always spelt like that
Nonchalant.
non-perforated
A non-professional is an amateur.
That is the correct spelling of the plural noun "laymen" (non-professionals, or non-clergy).
Do you mean Corporal, a non commissioned officer
"Non" in French is spelled as "non."
"Non biologique"
"non"
The correct spelling is "non-renewable fuels." These are energy sources that cannot be easily replenished or replaced once they are used, such as fossil fuels like coal, oil, and natural gas.
non-perforated
Nonchalant.
The hyphenated version "non-driven" is correct.
You have spelled it correctly.
We say "non"
Non, merci
You use phonetics to spell out non-words such as "achoo" or "yuck."
A non-professional is an amateur.