On Hanukkah, we can greet one another with “Hanukkah sameach!” which means “Happy Hanukkah!” or “Chag urim sameach” which means “Happy Festival of Lights.” As on any happy holiday or festival, we can say (“Happy holiday!”)
And what about how to spell Hanukkah? A 2012 study from Evite ranks the most popular way to spell the holiday. You can clearly tell which one we prefer!