What kind of correspondence is shown by اِسْتَقَرَّ وَقَرَّ?

Ten Semantic Functions of Form X (Istifʿāl): Seeking, Suitability, Finding, Judging, Transformation, Adoption, Abbreviation, Response, Equivalence and Independent Use

• Form X with Form III
• Form X with Form V
• Form X with Form VIII
• Form X with Form I