The same way you spelt it.
The likely word is humidity (concentration of water vapor in the air).
l'humidité
It's how you don't spell "humidity".
The suffix for the word "humid" is "-ity," which changes the word to "humidity."
The correct spelling is humidity (moisture in the air).
The humidity outside is high
the hardest word to spell is: perpondickulor
You can change "humid" to a noun by using the word "humidity."
The humidity was so moist I was raining sweat (Hope that helps)
The Spanish word for "spell" (as in letters in a word) is "deletrear" Which translated lyerally means to separate the letters. The word for "spell" (as in time) is "temporada". The word for "spell" (as in hex) is "encanto".
The letters spell the word casino.
The letters spell the word "freelance."