Answer: Tumlut: a loud, confused noise, especially one cause by a large mass of people.
Pernicious: having a harmful effect, especially in a gradual or subtle way.
Naturalize: admit (a foreigner) to the citizenship of a country.
Telecommunications: communication over a distance by cable, telegraph, telephone, or broadcasting.
Perpetual: never ending or changing.
You can put them in your own words to make them smaller. :)
Step-by-step explanation: