sincere, real, without pretense​ (a)  

rashness, boldness​ ​ (a)  

marked by honor, courtesy, and courage​ ​ (a)  

to express agreement; agreement (a)  

The treasurer was suspected of embezzlement when they came across several major ​ (a)   in the financial records. ​

The professor insisted he was a(n) ​ (a)   authority on the subject of spiders, so we were surprised when he argued that daddy longlegs are poisonous. ​

Before you ​ (a)   on this journey to Mexico, you should check that your passport is current.