The phrase "a certain consistency" is correct and usable in written English.
It can be used when referring to a specific level of uniformity or regularity in behavior, quality, or performance.
Example: "The project requires a certain consistency in the quality of materials used to ensure durability."
Alternatives: "a specific level of consistency" or "a degree of uniformity."
Still, there was a certain consistency to the lies.
There's a certain consistency to Taylor's first line of argument.
"There is a certain consistency about what he has said".
From this sheer weight of numbers, we might deduce a certain consistency.
There was a certain consistency to the statements when it came to the assaults.
There is a certain consistency in Gibson's selection in preference to Andy Reid.
As we discussed in Section 2.1, utility is merely a measure of relative behavioural dispositions given certain consistency assumptions about relations between preferences and choices.
The action had a certain mad consistency, and an arty young crowd seemed captivated.
Focusing on income, for all its flaws, has a certain intellectual consistency; one can think of conditions under which income maps directly into some Sen-style notion of choice.
At times, particularly when it came to his domestic agenda, he spoke in terms that were almost resounding—"In the past year alone, about ten million uninsured Americans finally gained the security of health coverage"; "I'm sending this Congress a bold new plan to lower the cost of community college, to zero"—and had a certain populist consistency.
At times, particularly when it came to his domestic agenda, he spoke in terms that were almost resounding—"In the past year alone, about ten million uninsured Americans finally gained the security of health coverage"; "I'm sending this Congress a bold new plan to lower the cost of community college, to zero"—and had a certain populist consistency.
