What are words that end in ant and can turn to ance?

You're looking for words that end in "-ant" and can be changed to "-ance" to form a related noun. Here are some examples:

* Important -> Importance

* Significant -> Significance

* Relevant -> Relevance

* Ignorant -> Ignorance

* Abundant -> Abundance

* Tolerant -> Tolerance

* Resistant -> Resistance

* Servant -> Servance (less common usage)

* Brilliant -> Brilliance

* Elegant -> Elegance

Let me know if you'd like more examples!