Declension table of ?kuṣṭhāṅga

Masculine	Singular	Dual	Plural
Nominative	kuṣṭhāṅgaḥ	kuṣṭhāṅgau	kuṣṭhāṅgāḥ
Vocative	kuṣṭhāṅga	kuṣṭhāṅgau	kuṣṭhāṅgāḥ
Accusative	kuṣṭhāṅgam	kuṣṭhāṅgau	kuṣṭhāṅgān
Instrumental	kuṣṭhāṅgena	kuṣṭhāṅgābhyām	kuṣṭhāṅgaiḥ kuṣṭhāṅgebhiḥ
Dative	kuṣṭhāṅgāya	kuṣṭhāṅgābhyām	kuṣṭhāṅgebhyaḥ
Ablative	kuṣṭhāṅgāt	kuṣṭhāṅgābhyām	kuṣṭhāṅgebhyaḥ
Genitive	kuṣṭhāṅgasya	kuṣṭhāṅgayoḥ	kuṣṭhāṅgānām
Locative	kuṣṭhāṅge	kuṣṭhāṅgayoḥ	kuṣṭhāṅgeṣu

Compound kuṣṭhāṅga -

Adverb -kuṣṭhāṅgam -kuṣṭhāṅgāt