psychiatric vs psychiatrical

psychiatric and psychiatrical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
psychiatric	No	Yes	No	No
psychiatrical	No	Yes	No	No

As adjectives, psychiatric and psychiatrical are synonyms defined as:

psychiatric and psychiatrical: relating to or used in or engaged in the practice of psychiatry

psychiatric (adjective)	psychiatrical (adjective)
relating to or used in or engaged in the practice of psychiatry	relating to or used in or engaged in the practice of psychiatry