• -istical

    Origin

    Combination of the adjective suffixes -istic and -al.

    Suffix

    -istical
    1. Used to form adjectives meaning of or relating to corresponding nouns ending in -istic or -ist; most often redundant with respect to the latter which can also become adjectives through the addition of -ic alone, or with no change to the root noun. Hence, theist, theistic and theistical can all be used as the adjective form of theism.
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