Declension table of ?tastakāna

Masculine	Singular	Dual	Plural
Nominative	tastakānaḥ	tastakānau	tastakānāḥ
Vocative	tastakāna	tastakānau	tastakānāḥ
Accusative	tastakānam	tastakānau	tastakānān
Instrumental	tastakānena	tastakānābhyām	tastakānaiḥ tastakānebhiḥ
Dative	tastakānāya	tastakānābhyām	tastakānebhyaḥ
Ablative	tastakānāt	tastakānābhyām	tastakānebhyaḥ
Genitive	tastakānasya	tastakānayoḥ	tastakānānām
Locative	tastakāne	tastakānayoḥ	tastakāneṣu

Compound tastakāna -

Adverb -tastakānam -tastakānāt