What's the difference between hereupon and whereinto?

Hereupon

Definition:

• (adv.) On this; hereon.

Example Sentences:

• (1) The authors have established normative values of the ERP and the factors which might be of influence hereupon.
• (2) Because of the extended contamination and the splintered fracture radical wound excision - involving also the chondral surfaces - has been performed and hereupon humero-radial arthrodesis was carried out.

Whereinto

Definition:

• (adv.) Into which; -- used relatively.
• (adv.) Into what; -- used interrogatively.

Example Sentences: