The suffix -ant can turn verbs into nouns or adjectives, which means something can be a peformant performant. I suggest using the -y suffix for the adjective f

The suffix -ant can turn verbs into nouns or adjectives, which means something can be a peformant performant. I suggest using the -y suffix for the adjective form and -ant for the noun form. Then you can say the performant is performy, or performier than before.