What's the difference between hereon and whereon?

Hereon


Definition:

  • (adv.) On or upon this; hereupon.

Example Sentences:

  • (1) 9.23pm GMT Expect the reporters to get even more speculative and desperate from hereon in.
  • (2) We report hereon a 34-year-old woman who presented with recurrent attacks of uveitis unresponsive to treatment with steroids.
  • (3) It is right to state that some 18 months later, as part of an examination of material in the New York Times, the CPS signalled an intention hereon to take a broader view of the relevant legislation.
  • (4) The qualities that we showed today, we’re going to need from hereon in.
  • (5) But from hereon in, every penny will have to count.

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.