What's the difference between wherefore and whereon?

Wherefore


Definition:

  • (adv. & conj.) For which reason; so; -- used relatively.
  • (adv. & conj.) For what reason; why; -- used interrogatively.
  • (n.) the reason why.

Example Sentences:

  • (1) Treatment proved effective wherefore the authors hope that further studies will be carried out in order to increase our knowledge of the modulation and regulation of the immune response, a primary element in the management of these disorders which is at present only experimental.
  • (2) All the whys and wherefores are discussed and some conclusions reached.
  • (3) It argues that too little attention has been paid to the how and why, the what and the wherefore of evaluation.
  • (4) The one that never did me the courtesy of explaining the whys and wherefores.
  • (5) Coral graveyard: the aftermath of bleaching on the Great Barrier Reef – in pictures Read more I am struggling to get my head around the whys and wherefores of the complacency and lack of logical reasoning on this issue.
  • (6) Phenotypic characteristics that could differentiate between the two main DNA relatedness groups of F. meningosepticum were not discovered, wherefore a subdivision of the present species into two species cannot be recommended.
  • (7) 9 patients did not show a clear restriction of the clearance, wherefore in these cases a control examination was not necessary.
  • (8) People complain that there are no laughs in the Bible (actually Sarah, the wife of Abraham, fails to conceal her amusement when she's told that she's about to conceive, at the age of 90: "Therefore Sarah laughed within herself… And the Lord said unto Abraham, Wherefore did Sara laugh…"), but let the rabbis loose on it, and it's practically standup material.
  • (9) Whatever the whys and wherefores, the bottom line is that he was dropped for the glamour tie against Bayern and it would have hurt, particularly as his replacement was the untested 21-year-old Yaya Sanogo.
  • (10) With the help of the isotope renography could be proved that the treatment with alpha-methyldopa causes no reduction of the blood supply of the kidneys, wherefore alpha-methyldopa can be successfully applied in patients with hypertension and renal failure.
  • (11) Anderson said recently that the whys and wherefores of the Golden Fang aren’t important; it’s a metaphor for the Man, the system, the evil empire, whatever anti-fun military-industrial complex rules the day.
  • (12) Till now there is no coherent idea about their pathogenesis, wherefore in the individual case wide differences exist in the diagnosis, treatment and in the expert opinion.
  • (13) The clinical estimation of the "Debris Layer" forming in the course of expanding the root channel is not entirely uniform in the literature wherefore also the question of its removal is the subject of dispute.

Whereon


Definition:

  • (adv.) On which; -- used relatively; as, the earth whereon we live.
  • (adv.) On what; -- used interrogatively; as, whereon do we stand?

Example Sentences:

  • (1) With the patient in a supine position, the droplets could be positioned over the macula in the preretinal vitreous space, whereon the FTBA PO2 could be influenced by the preretinal oxygen concentration.
  • (2) The heart was the only one of all the internal organs whereon significant pathologic changes were observed during autopsy.