Declension table of ?kauṣṭhya

Neuter	Singular	Dual	Plural
Nominative	kauṣṭhyam	kauṣṭhye	kauṣṭhyāni
Vocative	kauṣṭhya	kauṣṭhye	kauṣṭhyāni
Accusative	kauṣṭhyam	kauṣṭhye	kauṣṭhyāni
Instrumental	kauṣṭhyena	kauṣṭhyābhyām	kauṣṭhyaiḥ
Dative	kauṣṭhyāya	kauṣṭhyābhyām	kauṣṭhyebhyaḥ
Ablative	kauṣṭhyāt	kauṣṭhyābhyām	kauṣṭhyebhyaḥ
Genitive	kauṣṭhyasya	kauṣṭhyayoḥ	kauṣṭhyānām
Locative	kauṣṭhye	kauṣṭhyayoḥ	kauṣṭhyeṣu

Compound kauṣṭhya -

Adverb -kauṣṭhyam -kauṣṭhyāt