different between scuttering vs shuttering

English

scuttering

scuttering (plural scutterings)

The act of running with a light pattering noise; a skittering.
the scutterings of rats

shuttering (countable and uncountable, plural shutterings)

The act of closing something with shutters.
(figuratively) The winding down of a business, a publication, etc.
- 2013, Richard J. Arndt, Horror Comics in Black and White: A History and Catalog, 1964-2004
  In the long run, Marvel's B&W newsstand efforts outlasted the closing and shutterings of both Skywald and Warren's doors but the longest lived of their horror titles only lasted two years, from 1973–1975.
(construction) Formwork.

shuttering

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