Declension table of sthirasiddhi

Feminine	Singular	Dual	Plural
Nominative	sthirasiddhiḥ	sthirasiddhī	sthirasiddhayaḥ
Vocative	sthirasiddhe	sthirasiddhī	sthirasiddhayaḥ
Accusative	sthirasiddhim	sthirasiddhī	sthirasiddhīḥ
Instrumental	sthirasiddhyā	sthirasiddhibhyām	sthirasiddhibhiḥ
Dative	sthirasiddhyai sthirasiddhaye	sthirasiddhibhyām	sthirasiddhibhyaḥ
Ablative	sthirasiddhyāḥ sthirasiddheḥ	sthirasiddhibhyām	sthirasiddhibhyaḥ
Genitive	sthirasiddhyāḥ sthirasiddheḥ	sthirasiddhyoḥ	sthirasiddhīnām
Locative	sthirasiddhyām sthirasiddhau	sthirasiddhyoḥ	sthirasiddhiṣu

Compound sthirasiddhi -

Adverb -sthirasiddhi