1. rocket base a military base for rocket missiles
  2. ruggedize produce in a version designed to withstand rough usage
  3. ruggedise produce in a version designed to withstand rough usage
  4. ruggedness the quality of being topologically uneven
  5. archetype something that serves as a model
  6. ricketiness the quality of not being steady or securely fixed in place
  7. racketiness the auditory effect characterized by loud and constant noise
  8. octopus bottom-living cephalopod having a soft oval body with eight long tentacles
  9. raggedness a texture of a surface or edge that is not smooth but is irregular and uneven
  10. tidytips California annual having flower heads with yellow rays tipped with white
  11. reactance opposition to the flow of electric current resulting from inductance and capacitance (rather than resistance)
  12. fractious easily irritated or annoyed
  13. autopsy an examination and dissection of a dead body
  14. racquetball a game played on a handball court with short-handled rackets
  15. rugged having long narrow shallow depressions in the surface
  16. practice a customary way of operation or behavior
  17. tidy tips California annual having flower heads with yellow rays tipped with white
  18. Rickettsiaceae microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
  19. drug abuse excessive use of drugs
  20. orchitis inflammation of one or both testes