Spelling Challenge Week 8 Use these games to help you study this week's spelling words Tools A B incompetence lack of ability or skill survey act of measuring land vertebrates animals with backbones coefficient numerical part of algebraic term rectangle figure with four right angles compromise something accepted rather than wanted dubiously in a manner causing or suggesting doubt apprehensively anxiously jurisdiction the area over which legal authority extends constants quantity with fixed value trapezoid quadrilateral with two parallel sides obscure unclear or vague inequality statement indicating unequal quantities irony contrast between expectation and reality kingdoms highest classification for natural things contemptuously in a satisfied manner complacently in a satisfied manner understatement describing something as less than it is industrialization adoption of industrial methods classify to sort into groups terminus place where transportation route ends precariously in an unstable or risky manner feline catlike frenzy the condition of being frantic menacing to threaten