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How should one go about abbreviating (a)synchronous? Is the most correct form (a)sync. or (a)synch.?

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Hello User. In my opinion this is easily answerable looking at the dictionary. I couldn't find "async", but "sync" is in every dictionary; Same goes for "synch" more or less, so I suppose it's up to you about which one to use. – Alenanno Aug 28 '11 at 12:12

closed as general reference by Alenanno, kiamlaluno, Mr. Disappointment, F'x, Mitch Aug 28 '11 at 14:05

This question is too basic; it can be definitively and permanently answered by a single link to a standard internet reference source designed specifically to find that type of information. See the FAQ for guidance on how to improve it.

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The common and my preferred way of abbreviating synchronous is sync, rather than synch, partly because it makes more sense to pronounce it as sink than sinch and the shorter abbreviation is simpler and clearer. Also to avoid any confusion with the slang word cinch (pronounced like sinch).

For similar reasons and consistency, I'd recommend async over asynch.

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As a bonus, it's also one letter shorter! – Stuart Cook Aug 28 '11 at 13:12
Yes! Save time, ink and disk space! – Hugo Aug 28 '11 at 14:36
up vote 0 down vote

Ngram for "sync" versus "synch", 1920-2000

The graph for async versus asynch is similar. From this I would say that sync and async are preferred.

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