What's the difference between whereof and whereon?

Whereof


Definition:

  • (adv.) Of which; of whom; formerly, also, with which; -- used relatively.
  • (adv.) Of what; -- used interrogatively.

Example Sentences:

  • (1) Whereof one cannot speak thereof we must pass over in silence and all that.
  • (2) In token whereof I have hereunto set my hand this tenth day of December, 1936, in the presence of the witnesses whose signatures are subscribed.
  • (3) The amendment’s first section reads: “Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.” Facebook Twitter Pinterest Donald Trump during a campaign rally in Warren, Michigan, March 2016.
  • (4) The effect of 21 chemical substances was investigated whereof 7 compounds was determined as effective fading-inhibitors.
  • (5) Consequently, we conclude, that a policy followed in the serodiagnostic Western-Blot of human AIDS should also be adopted for the interpretation of the EIA Western-Blot, namely to declare as positive merely horse sera which evidence more than one single band, whereof at least one band should represent a viral glycoprotein.
  • (6) Serwotka, 46, who grew up in the South Wales valleys, knows whereof he speaks: he left school at 16, with five painfully acquired O-levels, and went to work for a benefit office in Aberdare.
  • (7) The Cainguá (Mbŷá) have preserved a singular theology whereof the comprehension makes possible an approach to the real being within that culture.
  • (8) Pancreatic enzyme substitution may principally be used in few indications, whereof most of them are only relative.
  • (9) Treatment was required in 39 cases whereof 18 were placed under observation only.
  • (10) Consequently, a prospective study of symptoms and endoscopy and biopsy interpretation was undertaken in 200 patients consecutively submitted to upper endoscopy, whereof 12 were excluded.
  • (11) Stone removal was successful in 82% of the cases whereof the stones were pushed back into the renal pelvis and subsequently managed with percutaneous nephrolithotomy or extracorporeal shock wave lithotripsy in 24%.
  • (12) Bobbitt, we can assume, knows whereof he speaks: he has shot all three of McQueen's features – Hunger, Shame and now 12 Years a Slave – as well as five of McQueen's gallery shorts, dating back to 2002's Western Deep , shot in South Africa inside the world's deepest gold mine.
  • (13) Four patients had misalignments of up to 15 degrees, whereof three of them had combined varus-recurvation-angulations without functional or cosmetic sequelae.
  • (14) The total of 1154 identified samples consisted mainly of ruminants (37%, whereof bushbuck represented 57%), hippopotamus (34%), and monitor lizard (19%).
  • (15) The title refers to the 13th Amendment to the US Constitution: “Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States.” For the new British black film-making hope, Adesunloye, access to funds and exposure remain the key issues, even with a voguish new transatlantic interest in telling the story of the African diaspora.
  • (16) Report on 370 dyslexics, whereof 281 can be evaluated.
  • (17) Iscoms containing the fusion protein of measles virus induced T cell clones in mice whereof one, after adoptive transfer, protected mice against intracerebral challenge infection.
  • (18) Gillen's character, Petyr Baelish, certainly knows whereof he speaks.

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.