NAWL 1.20 Set 26
Words 501 to 520

 5  the act of taking the place of something or someone else

 7  a way of saying words that shows your dialect or class

10 causing someone to feel excitement or interest

11 without something that is necessary

15 an organized society where technology and culture are highly developed

16 the size of a wave; a shared understanding

18 the act of taking responsibility for an error or mistake

19 being reasonable and sound

 1  definitely or certainly

 3  the act of making copies

 4  to change something in order to make everything the same or make everything agree

 5  to determine the cause of something by examination, usually an illness

 6  having importance

 8  to make something easier to understand

 9  a water container that is wider than it is deep

12 a group of related courses, often in a special field of study:

13 concerning or caused by bacteria

14 the area ruled by a king or queen

17 a metal structure with bars that is used to cover a hole