<h3>Happiness-</h3>
The term happiness is used in the context of mental or emotional states, including positive or pleasant emotions ranging from contentment to intense joy. It is also used in the context of life satisfaction, subjective well-being, eudaimonia, flourishing, and well-being.
<h3>Nine-</h3>
equivalent to the product of three and three; one more than eight, or one less than ten; 9.
"nine of the twelve members"
a group or unit of nine individuals.
noun: nine; plural noun: nines
<h3>Joyous-</h3>
Someone or something joyous is characterized by joy: extreme, exuberant, deep happiness. If you won the lottery, you'd probably feel joyous. Joyous is a strong word for the absolute best moments in life.
<h3>There wasn't a topic or question so I simply defined the words you had provided. I hope I helped, and would appreciate Brainliest! ;)</h3>