'the comparability' is correct and usable in written English.
You can use it to refer to the quality of being able to be compared. For example, "In order to understand the differences between the two products, we need to consider the comparability of their features."
Exact(60)
Baseline variables will be compared to investigate the comparability of residents at baseline.
Baseline data will be compared with control for the comparability of randomised groups.
The sheer breadth of Pisa has also raised questions about the comparability of results within it.
"You're losing the comparability between companies," said Steven Wallman, a former member of the Securities and Exchange Commission.
However, the comparability study found that the tests offered by CEM and NFER – which included children answering questions on tablets – also showed wide variations in outcomes.
Governors had seen the comparability requirement as a straitjacket, forcing them to drop people off the Medicaid rolls when trying to reduce the program's explosive costs.
This limits the comparability of research findings.
Invariance measurements allow the comparability of scores between groups.
Only in rich sandy soils, the comparability was good.
⊑ such that the comparability of x, y ∈ X implies the comparability of f x, f y ∈ f X.
However, the comparability of the critical loads for different materials and coating thicknesses is limited.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com