1. sovereign a nation's ruler usually by hereditary right
  2. esophagus the passage between the pharynx and the stomach
  3. aspherical varying slightly from a perfectly spherical shape
  4. ossiferous containing bones (especially fossil bones)
  5. aspheric varying slightly from a perfectly spherical shape
  6. oesophagus the passage between the pharynx and the stomach
  7. usufruct a legal right to use and profit from someone else's property
  8. vice versa with the order reversed
  9. Brassia verrucosa Central American orchid having spiderlike flowers with prominent green warts
  10. asphyxia a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas
  11. Saxifragaceae a large and diverse family of evergreen or deciduous herbs
  12. asseverate state categorically
  13. welfare case a case for a welfare worker
  14. asseveration a declaration that is made emphatically
  15. average an intermediate scale value regarded as normal or usual
  16. Aloe ferox much-branched South African plant with reddish prickly succulent leaves
  17. spherical relating to a round, three-dimensional closed surface
  18. sovereignty the authority of a state to govern another state
  19. on average typically
  20. atmospherics a crackling or hissing noise caused by electrical interference