different between indenting vs incenting

English

indenting

indenting (plural indentings)

indentation
- 18th century, Samuel Hoole (translator), The Select Works of Antony van Leeuwenhoek, Volume 1 (1800)
  From this Observation, I was induced to examine the grains of Wheat themselves, in order to investigate, how, and for what purpose they were formed with those indentings, chinks, or creases.

incenting

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