Declension table of ?kāṣṭhīla

Masculine	Singular	Dual	Plural
Nominative	kāṣṭhīlaḥ	kāṣṭhīlau	kāṣṭhīlāḥ
Vocative	kāṣṭhīla	kāṣṭhīlau	kāṣṭhīlāḥ
Accusative	kāṣṭhīlam	kāṣṭhīlau	kāṣṭhīlān
Instrumental	kāṣṭhīlena	kāṣṭhīlābhyām	kāṣṭhīlaiḥ kāṣṭhīlebhiḥ
Dative	kāṣṭhīlāya	kāṣṭhīlābhyām	kāṣṭhīlebhyaḥ
Ablative	kāṣṭhīlāt	kāṣṭhīlābhyām	kāṣṭhīlebhyaḥ
Genitive	kāṣṭhīlasya	kāṣṭhīlayoḥ	kāṣṭhīlānām
Locative	kāṣṭhīle	kāṣṭhīlayoḥ	kāṣṭhīleṣu

Compound kāṣṭhīla -

Adverb -kāṣṭhīlam -kāṣṭhīlāt