Declension table of ?yogasiddhi

Feminine	Singular	Dual	Plural
Nominative	yogasiddhiḥ	yogasiddhī	yogasiddhayaḥ
Vocative	yogasiddhe	yogasiddhī	yogasiddhayaḥ
Accusative	yogasiddhim	yogasiddhī	yogasiddhīḥ
Instrumental	yogasiddhyā	yogasiddhibhyām	yogasiddhibhiḥ
Dative	yogasiddhyai yogasiddhaye	yogasiddhibhyām	yogasiddhibhyaḥ
Ablative	yogasiddhyāḥ yogasiddheḥ	yogasiddhibhyām	yogasiddhibhyaḥ
Genitive	yogasiddhyāḥ yogasiddheḥ	yogasiddhyoḥ	yogasiddhīnām
Locative	yogasiddhyām yogasiddhau	yogasiddhyoḥ	yogasiddhiṣu

Compound yogasiddhi -

Adverb -yogasiddhi