Easy simple riddles

What four related words are merged here: SWAS PURI UINM NTTU MGER MNER

I know a number which when multiplied by multiple of 9 i.e 9 18 27 36 45 ... The output consist of number containing only one digit. Can you identify the number?

It is greater than god, more evil than the devil, the poor have it, the rich need it, and if you eat it, you will die? What is it?

Red through and through, it has no mouth. But it eats many things; it fears water but not wind.

Our dinner guests cry that we are evil, when they notice their place in the meal. But its no big deal why; we are just one big happy tribe! And we get really fed up with people! Who, What or Are we?

What goes up when the rain comes down?

I'm very, very big. I like to eat peanuts and hay. I have four legs and two big ears. My long nose is called a trunk. I am an...

It is impossible to keep it until you give it someone else. What is that?

Which month has 30 days?

I am slim and tall, many find me desirable and appealing, they touch me and I give a false good feeling, once I shine in splendor, but only once and then no more, for many I am "to die for".