Declension table of ?kāṣṭhalekhaka

Masculine	Singular	Dual	Plural
Nominative	kāṣṭhalekhakaḥ	kāṣṭhalekhakau	kāṣṭhalekhakāḥ
Vocative	kāṣṭhalekhaka	kāṣṭhalekhakau	kāṣṭhalekhakāḥ
Accusative	kāṣṭhalekhakam	kāṣṭhalekhakau	kāṣṭhalekhakān
Instrumental	kāṣṭhalekhakena	kāṣṭhalekhakābhyām	kāṣṭhalekhakaiḥ kāṣṭhalekhakebhiḥ
Dative	kāṣṭhalekhakāya	kāṣṭhalekhakābhyām	kāṣṭhalekhakebhyaḥ
Ablative	kāṣṭhalekhakāt	kāṣṭhalekhakābhyām	kāṣṭhalekhakebhyaḥ
Genitive	kāṣṭhalekhakasya	kāṣṭhalekhakayoḥ	kāṣṭhalekhakānām
Locative	kāṣṭhalekhake	kāṣṭhalekhakayoḥ	kāṣṭhalekhakeṣu

Compound kāṣṭhalekhaka -

Adverb -kāṣṭhalekhakam -kāṣṭhalekhakāt