Coolly is spelled correctly. Procede should be proceed. Superintendant should be superintendent. Arguement should be argument.
Yes it is spelled correctly
The correct spelling of the number "14" is, indeed, "fourteen." The number "40," however, is spelled "forty."
You have spelled 'still' correctly.
No word is always spelled correctly. But the word "correctly" is correctly spelled as correctly. (see related question)
Yes, surprisingly is spelled with an S. Surprisingly is how you spell it. You spelled it correctly.
Yes, you have spelled prosperous correctly.
You spelled it correctly..
Convenience (easy access or availability) is correctly spelled.
Yes, engineer is spelled correctly in your question.
You've spelled it correctly.
You've spelled it correctly.