Some eight-letter words are "asteroid", which is a small rocky body that orbits the sun, and "assassin," which is a person who murders important people for either political or religious reasons. Another eight-letter word is "artifact," which is an object made by a human being, usually with some historical significance.
"Republic" is an eight-letter noun that refers to a state where power is held by the people and the leaders they elect. "Ribosome" is a word that refers to an organelle in the human body that transfers and synthesizes polypeptides and proteins. "Scorpion" is defined as an arachnid with a poisonous sting at the end of its tail. "Satanism" is the worship of Satan, and "saucepan" refers to a deep cooking pan.
The word "snowball" refers to a ball of packed snow, usually thrown at other people, while "sorcerer" means a person who is believed to have magic powers. "Tabouret" is an eight-letter word that refers to a small table or a low stool. "Synonym" is defined as a word or phrase that has the same meaning as another word or phrase in the same language. "Taxonomy" describes a branch of science that deals with the classification of organisms.
There are also eight-letter verbs such as "reinvest", which means putting the profits of an investment back to the same place.