respectable
He's a bit too respectable for my taste.
respectful
He enjoyed a mutually respectful relationship with us.
retort
He retorted that it was my fault as much as his.
retrospect
In retrospect, however, Dr. Venter sees that
all the publicity about the "race to the genome" has brought benefits, too.
revelation
His Hamlet was a revelation to the critics.
revenge
Revenge is a dessert better served cold.
robbery
He was guilty of attempted robbery.
SARS
Scientists in Canada announced over the weekend that
they had broken the genetic code of the virus suspected，
of causing Severe Acute Respiratory Syndrome( SARS).