The phrase "sheer frequency" is correct and can be used in written English.
It means the high or intense level of frequency or occurrence. Example: The sheer frequency of his mistakes left his boss no choice but to terminate his employment.
Then of course you have the sheer frequency with which India and Pakistan now tour each other.
It was a logical fallacy that became a kind of conventional wisdom by the sheer frequency of its repetition.
Over the past few days, the sheer frequency of the strikes – in addition to their timing – has inflamed popular opposition to Sana'a's policy of allowing the strikes.
After a time, she deduced from the sheer frequency of his attentions that his interest must be romantic, but this was not apparent in his behavior.
Eventually the success of the dish was its downfall: the sheer frequency with which she served it each summer consigned this version, too, to the culinary cliché bin.
But the latest thefts, at institutions supposedly in official care, and the sheer frequency of deceit, suggest that regulation of the market is far too slack.
But, for sheer ferocity and frequency, the worst place in the world is probably the western half of the United States.
The emergence of distinctive patterns and juxtaposed meanings is undermined by the sheer number and frequency of these switches, then further disrupted by too many minor plot excursions and secondary character profiles.
Everything now pivots around the sheer size and frequency of demonstrations and how instantly they appear.
The sheer weight and frequency of army trucks, fire engines, street-sweeping vehicles, and, finally, heavy good vehicles moving the sludge scraped up from peoples' yards and gardens in the aftermath of the influx, caused the corner wall of their old house partially to collapse.
But the controversy around the sheer number and frequency of these attacks has overshadowed a related problem: Universities are handling these cases in their own makeshift justice systems, behind closed doors.
