+K9 is a phonetic abbreviation for [canine](/wiki/canine), commonly referring to a [dog](/wiki/dog). It primarily designates working animals, especially those in [police](/wiki/police) or military service, known for their sharp senses and steadfast companionship.
+## See also
+- [Police Dog](/wiki/police-dog)
+- [Working Dog](/wiki/working-dog)
+- [Scent Detection](/wiki/scent-detection)
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