الْقَاضِي has an estimated ḍamma in the nominative: it is a manqūṣ noun from the preceding lesson.
مُسْلِمِيَّ instead has an estimated wāw as its nominative sign because it is historically a sound masculine plural.
Do not confuse them: both may lack a separately visible original marker, but their grammatical case signs differ.
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Noun Case Class 9 — Sound Masculine Plural with My
الْقَاضِي has an estimated ḍamma in the nominative: it is a manqūṣ noun from the preceding lesson.
مُسْلِمِيَّ instead has an estimated wāw as its nominative sign because it is historically a sound masculine plural.
Do not confuse them: both may lack a separately visible original marker, but their grammatical case signs differ.