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often, frequently, oftentimes, oft, ofttimes, occasionally, oftenly | many times at short intervals | |
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occasionally, at times, from time to time, now and then, on occasion, once in a while, now and again | now and then or here and there | |
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sometimes, occasionally, once in a while, at times, from time to time, every so often, at one time or another | on certain occasions or in certain cases but not always |