How - cómo. Happy - feliz. Cómo always has the accent on top of the first o. Otherwise, "como" is "I eat."
Feliz, or contento (means content) Feliz and contento/a (depending on the gender of the person who is happy - a for girls, o for boys) both mean happy in Spanish. One could say I'm happy either of these ways: Estoy contenta. Estoy feliz.
"You could say that I am quite content, and very happy where I am."
contento
feliz
I'm happy too in Spanish is Estoy contento también.
Estamos contentos.
You mean "Happy Valentine's Day"?
Happy land in Spanish is tierra feliz. Happy land in Italian is terra felice. Happy land in French is terre heureuse.
Feliz Navidad!
Hora Feliz.
y feliz con
Felices Fiestas