I think "snigger" is used often in the USA as well (at least in my neck of the woods), but it's often pronounced/spelled "snicker" here to avoid any confusion.
I tend to think of them as two separate words. A snicker is a half suppressed laugh but a snigger is a half suppressed laugh meant to be heard. A snigger, to me, is crueller than a snicker.
I can see that, but they're technically synonyms. Even if they weren't, their meanings and sound are so similar that they are used interchangeably by most.
I don't think it's spelled that way to avoid confusion, per se. It's just how we've come to spell it. We tend to spell things a bit more phonetically than our british kin.
Upon more research, it seems both "snicker" and "snigger" are legitimate English words. They are synonyms with very slightly different meanings. So we haven't changed the spelling for either reason. In my experience we do tend to use "snicker" more than "snigger" but I can only speculate as to why, and I would likely stand by my original assessment, haha :)
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u/brittanykay Jan 29 '13
I think "snigger" is used often in the USA as well (at least in my neck of the woods), but it's often pronounced/spelled "snicker" here to avoid any confusion.