different between submitting vs forwarding

English

submitting

submitting (plural submittings)

(rare, formal) A submission.
- 1827, Anna Maria Porter, Honor O'Hara (volume 2, page 268)
  With something of her original archness, mingling with graver rebuke, Honoria reminded the rebel of certain dutiful expressions, and religious submittings of the will, with which he had so lately gratified her.
- 1869, The British and Foreign Medico-chirurgical Review
  Did the Creator see fit to adopt the plan of creation through a series of variations, and submittings of them to selection; or did He, by his fiat, evoke the human form into its acknowledged perfection in an instant?

forwarding

forwarding (plural forwardings)

The act by which something is forwarded.
- 2005, Daniel J. Barrett, Richard E. Silverman, Robert G. Byrnes, SSH, The Secure Shell: The Definitive Guide
  You might think that the GatewayPorts feature discussed in the last section applies equally well to remote port forwardings. This would make sense as a feature, but as it happens, it isn't done.

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