Globalization?
Internationalism?
Extraterrestrial would be one long word for "out of this world."
The word worlds has one syllable.
One can find the longest word in the dictionary, to be more specific, the Merriam-Webster online, the word has letters but still not the longest word in the world.
One - the second letter of the word "world"
Yes the word rainforest is one word. For example.......... Many of the world's rainforest's are being chopped down and destroyed.
There is no one word that is identical in all the world's languages.
mundial (adjective, one word) = 'world' (as in 'world cup', 'World War')
One such well known word is quisling.
One word to describe 'What this world would be without rules' would be chaotic.
By sound, this could be the word "rolled" (turned, twisted, or cartwheeled). By spelling, this is likely the word "world" (Earth, or a planet).
the loved one by all the people in the world
Three, one for each word.