Reptile

　　Repudiate

　　Rescind

　　Rescue

　　Resort to

　　Restriction

　　Result from

　　Result in

　　Retain

　　Retain your old habit

　　Retaliation

　　Trade retaliation

　　Retention

　　Revenue

　　Reverse

　　The reverse of coin

　　Revert to

　　Let revert to the original subject.

　　Revival

　　Revoke

　　Ridge

　　Rudimentary

　　Run counter to

　　Sacralization

　　Sacrifice

　　Sales campaign

　　Sales tax

　　Salience

　　Sanction

　　Sanitary

　　Sanitation

　　Scales

　　Scales v.

　　Scatter

　　Scramble