Ecstatic, overjoyed.
Healthappy (healthy and happy)
abundant
surplus overabundance surfeit
yummy
Passion is the only word I can think of right off hand.
In the word "happier," the suffix "er" is added to "happy" to indicate a comparative form, showing that someone or something is experiencing a higher degree of happiness compared to another person or thing.
greatful is another word for happy
The prefix "un-" could be added to the word happy to create the word "unhappy," which means not happy.
Majority means greater than half. Greater means more than.
Being unable to be happy means being Miserable
Try the word Cherish
Healthappy (healthy and happy)
majority
Yearn
abundant
endlessness
Less or more