1 word only!

gem

And I'm a monster on the hill

1 word only!
of

You are not you when you are sane.

1 word only!
them

What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.

1 word only!
and

And I'm a monster on the hill

1 word only!
nobody

You are not you when you are sane.

1 word only!
was

And I'm a monster on the hill

1 word only!
trying

You are not you when you are sane.

1 word only!
to

And I'm a monster on the hill

1 word only!
steal

You are not you when you are sane.

1 word only!
it

And I'm a monster on the hill