Was bored and was chatting with a friends about this so here a list for fun and similar names to class them XP

Small, Med, Large, Extra - Normal Sizes

Huge, Massive, Enormous, Giant

Mega, Ultra, Ultimate, Supreme

Skyscraper/Building, Town, City, Mountain

Island, State, Country, Continent -Standard God Sizes

Meteoroid/Comet, Moon, Planet, GasGiant

Sun, Star, Nova, Black-Hole

System, Galaxy, Cluster, World

OverWorld, Universe, Multiverse, Omniverse

Demi, God, Titan, Infinite & Beyond

-Size Addon(Not Demi,God, Titan, and Beyond)- Super, Plus(+), Multiply(X), Empowered =EX: Ultra+ or SuperStar