The antonyms for the word "in-competencies" are competence, expertise, proficiency, skillfulness, dexterity, mastery, ability, capability, efficiency, and potency. These words refer to an individual's ability to perform tasks effectively and efficiently. Competence and expertise are qualities that indicate a high level of skill and knowledge in a particular field or profession. Proficiency and skillfulness imply the ability to perform tasks with ease and accuracy. Dexterity and mastery refer to skill and expertise in physical activities or refined skills. Capability and ability are indicative of one's aptitude or talent to perform tasks successfully. Efficiency and potency suggest effectiveness and strength respectively. Therefore, these antonyms of in-competencies imply a high level of skill, talent, and capability.