hob·ble·bush 
(hŏbəl-bsh′)
(hŏbəl-bsh′)n.
A deciduous shrub (Viburnum alnifolium or V. lantanoides) of eastern North America, having flat clusters of white flowers with the marginal flowers larger than the others.
- ratiné
- ratio
- ratiocinate
- ratiocination
- ratiocinative
- ratiocinator
- ration
- rational
- rationale
- rational function
- rational horizon
- rationalism
- rationalist
- rationalistic
- rationalistically
- rationality
- rationalization
- rationalize
- rationalizer
- rationally
- rationalness
- rational number
- Rat Islands
- ratite
- rat kangaroo