- Ritually Adv
- Ritzily Adv
- Roaring Noun Adj Adv
- Robotically Adv
- Robustly Adv
- Rockily Adv
- Roentgenographically Adv
- Roentgenologically Adv
- Roentgenoscopically Adv
- Roguishly Adv
- Rollickingly Adv
- Rollingly Adv
- Romantically Adv
- Roomily Adv
- Ropily Adv
- Rosily Adv
- Rotationally Adv
- Rotatively Adv
- Rotten Adj Past Participle Adv Adv
- Rottenly Adv
- Rotundly Adv
- Rough Adj Noun Verb Adv
- Roughly Adv
- Round Adj Noun Prep Verb Adv
- Roundabout Adj Noun Adv
- Roundly Adv
- Rousingly Adv
- Routinely Adv
- Rovingly Adv
- Rowdily Adv
- Rowwise Adj Adv
- Royally Adv
- Ruddily Adv
- Ruddy Adj Adv Verb
- Rude Adj Adv
- Rudely Adv
- Ruefully Adv
- Ruffianly Adj Adv
- Ruffly Adv
- Ruggedly Adv
- Rugosely Adv
- Ruinously Adv
- Rumblingly Adv
- Rumbustiously Adv
- Ruminatingly Adv
- Ruminatively Adv
- Rummily Adv
- Running Noun Adj Adv
- Rurally Adv
- Rushingly Adv
- Rustically Adv
- Rusticly Adv
- Rustily Adv
- Rustlingly Adv
- Ruthlessly Adv
- Ruttily Adv