Dictionaries, Thesauruses, Pictures, and Press Releases
- rufous
- Rufus, Richard of Cornwall
- Rugosa
- rugulose
- Rühmkorff, Heinrich Daniel
- ruin lizard
- Ruini, Carlo
- Ruiz, Hipólito
- Ruland, Martin
- rule of Vs
- Rülein, Ulrich (Usually Called Ulrich R
- Rumex
- Rumovsky, Stepan Yakovlevich
- Runangan
- runaway hypothesis
- runcinate
- Runge, Carl David Tolmé
- Runge, Friedlieb Ferdinand
- runnel
- runnel