| Word | Practice Sentence | Type | 
            
                | quotient | The quotient is the result of division. | Basic | 
            
                | eloquence | Her eloquence when speaking was breathtaking. | Basic | 
            
                | tambourine | I enjoy playing the tambourine. | Basic | 
            
                | whirlwind | We went on a whirlwind adventure. | Basic | 
            
                | likelihood | The likelihood of finding the pet turtle was low. | Basic | 
            
                | precisely | You will need to precisely measure amounts for the lab. | Basic | 
            
                | waffle | I ate one waffle for breakfast. | Basic | 
            
                | longitudinal | The longitudinal positions were given to the military. | Basic | 
            
                | stretch | We will stretch before we exercise. | Basic | 
            
                | facade | The facade was in need of repair. | Basic | 
            
                | petition | We signed the petition to put her on the ballot. | Basic | 
            
                | symbiosis | The word symbiosis describes a mutually advantageous relationship between two organisms. | Basic | 
            
                | apparent | It was apparent that we wouldn't be eating soon. | Basic | 
            
                | authority | He is a strong authority figure. | Basic | 
            
                | frequent | We made frequent trips to the deli. | Basic | 
            
                | stalactite | A stalactite is a structure that hangs from the top of the roof like an icicle. | Challenge | 
            
                | aardvark | We found an aardvark in our house. | Challenge | 
            
                | roustabout | A roustabout refers to a worker that needs strength, but not much skill. | Challenge | 
            
                | amphetamine | This county is experiencing higher rates of amphetamine abuse. | Challenge | 
            
                | palatable | The chef made the most palatable dishes. | Challenge |