This is the 14143rd most frequent Russian word.
опознать
"Опознать" means "to identify" or "to recognize."
In this usage, 'опознать' refers to recognizing, determining, or pinpointing an object or entity to associate it with a category or identification.
Служащие на таможне опознали контрабандный груз.
The customs officers identified the smuggled cargo.
In this context, the word 'опознать' is used to mean 'identify' in the context of recognizing someone through external evidence.
Полиция смогла опознать подозреваемого по видеозаписям.
The police were able to identify the suspect from the video footage.
Here, 'опознать' is used to signify recognizing or identifying an abstract attribute, specifically a voice.