Psychiatrists sometimes identify there as being 10 different types of personality disorder spanning 3 categories (Suspicious, Emotional & Impulsive, Anxious).
Below is a link to a webpage from the mental health charity Mind, describing the different types of personality disorder. Note however that Mind reports that some psychiatrists regard the classification/categories as unhelpful because (among other things) 'there is no scientific evidence for them'. I don't personally know about this field, but if this is so it would not be the first time that psychiatry has used theories which are not based on evidence. To see the full list of the presumed 10 types of personality disorder and Mind's discussion of the topic click on the link below:
Personality Disorders - Discussion by Mind
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