different between awanting vs awaiting

English

a- +? wanting

awanting (not comparable)

missing; wanting; deficient or absent
- 1852?: William Hamilton
  In either case criticism was required, and criticism was awanting.

awanting in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
William Dwight Whitney and Benjamin E[li] Smith, editors (1914) , “awanting”, in The Century Dictionary: An Encyclopedic Lexicon of the English Language, volume I (A–C), revised edition, New York, N.Y.: The Century Co., OCLC 1078064371.

awaiting

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