The documents pertained to the investigation, but several pages were missing.

This policy pertains to employees who handle confidential information.

The legal memo included several pertainings that we needed to review before the hearing.

Linguists still disagree about whether pertainymy should be classified as a distinct kind of lexical relationship.

If thou pertainest to this matter, declare it at once.

Researchers found that pertactin plays a crucial role in inducing an immune response during Bordetella pertussis infection.