Declension table of ?śiśvayiṣitavya

Neuter	Singular	Dual	Plural
Nominative	śiśvayiṣitavyam	śiśvayiṣitavye	śiśvayiṣitavyāni
Vocative	śiśvayiṣitavya	śiśvayiṣitavye	śiśvayiṣitavyāni
Accusative	śiśvayiṣitavyam	śiśvayiṣitavye	śiśvayiṣitavyāni
Instrumental	śiśvayiṣitavyena	śiśvayiṣitavyābhyām	śiśvayiṣitavyaiḥ
Dative	śiśvayiṣitavyāya	śiśvayiṣitavyābhyām	śiśvayiṣitavyebhyaḥ
Ablative	śiśvayiṣitavyāt	śiśvayiṣitavyābhyām	śiśvayiṣitavyebhyaḥ
Genitive	śiśvayiṣitavyasya	śiśvayiṣitavyayoḥ	śiśvayiṣitavyānām
Locative	śiśvayiṣitavye	śiśvayiṣitavyayoḥ	śiśvayiṣitavyeṣu

Compound śiśvayiṣitavya -

Adverb -śiśvayiṣitavyam -śiśvayiṣitavyāt