Antonyms for the word "pre-potencies" would be words that reflect a lack of power, strength or influence. Words such as weakness, insignificance, inferiority or subordination would be some examples. Another antonym for pre-potencies would be passivity or docility, indicating a lack of assertiveness or dominance. The opposite of pre-potencies would be a state of being submissive or compliant. Antonyms for pre-potencies would thus reflect a lack of power, authority or control, suggesting a less prominent or active role in any given situation.