The word 'pertinence' is correct and usable in written English.
You can use it to describe something as being relevant, useful, or appropriate to a certain situation. For example, "The judge values the witness's testimony for its pertinence to the case."
The song, written as American soldiers were fighting another war, in Vietnam, has, alas, lost none of its pertinence nearly 30 years later.
Hoptman clearly considered the echo, presenting the same number of painters — except that this group bodes little change in art anywhere, that being a melancholy mark of its pertinence today.
The goodness of fit between the theoretical and the observed GC3 contents, and the consistency between experimental data and estimates of meiotic recombination parameters that can be derived from the model, are strong arguments in favor of its pertinence.
(April 6, 2010)" The partial or incomplete presentation and assessment of information from news articles regardless of its pertinence or accuracy, can negatively affect people's understandings, opinions, and decisions related to the topic [ 37].
Cite a person's transgender status only when it is pertinent and its pertinence is clear to the reader.
From the 75 years it encompasses, it distills rich matter for reflection about Islamic art itself and about its pertinence for a modern Western audience.
Although the correlations between porosity and strength for several engineering materials have been intensively investigated, its pertinence to the Class G oilwell cement under elevated conditions still needs to be carefully examined.
Yet the singularity of 1968 does not diminish its pertinence to our present turmoil.
Even before Mr. Steel arrived that term had begun to lose its pertinence.
Moreover, its pertinence must be made clear to the objecting witness.
