Declension table of ?niṣṭakvan

Masculine	Singular	Dual	Plural
Nominative	niṣṭakvā	niṣṭakvānau	niṣṭakvānaḥ
Vocative	niṣṭakvan	niṣṭakvānau	niṣṭakvānaḥ
Accusative	niṣṭakvānam	niṣṭakvānau	niṣṭakvanaḥ
Instrumental	niṣṭakvanā	niṣṭakvabhyām	niṣṭakvabhiḥ
Dative	niṣṭakvane	niṣṭakvabhyām	niṣṭakvabhyaḥ
Ablative	niṣṭakvanaḥ	niṣṭakvabhyām	niṣṭakvabhyaḥ
Genitive	niṣṭakvanaḥ	niṣṭakvanoḥ	niṣṭakvanām
Locative	niṣṭakvani	niṣṭakvanoḥ	niṣṭakvasu

Compound niṣṭakva -

Adverb -niṣṭakvam