Place the chicken thighs, hominy, chicken broth, diced onion, minced garlic, cumin, chili powder, oregano, salt, and black pepper into the slow cooker.
Stir gently to combine the spices with the broth.
Cover and cook on low for 6 to 7 hours until the chicken is very tender.
Remove the chicken to a cutting board and shred it with two forks.
Return the shredded chicken to the slow cooker and stir in the lime juice.
Ladle the pozole into bowls and let each person add cilantro, cabbage, radishes, and avocado as desired.