Declension table of ?śiśvayiṣaṇīya

Neuter	Singular	Dual	Plural
Nominative	śiśvayiṣaṇīyam	śiśvayiṣaṇīye	śiśvayiṣaṇīyāni
Vocative	śiśvayiṣaṇīya	śiśvayiṣaṇīye	śiśvayiṣaṇīyāni
Accusative	śiśvayiṣaṇīyam	śiśvayiṣaṇīye	śiśvayiṣaṇīyāni
Instrumental	śiśvayiṣaṇīyena	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyaiḥ
Dative	śiśvayiṣaṇīyāya	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyebhyaḥ
Ablative	śiśvayiṣaṇīyāt	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyebhyaḥ
Genitive	śiśvayiṣaṇīyasya	śiśvayiṣaṇīyayoḥ	śiśvayiṣaṇīyānām
Locative	śiśvayiṣaṇīye	śiśvayiṣaṇīyayoḥ	śiśvayiṣaṇīyeṣu

Compound śiśvayiṣaṇīya -

Adverb -śiśvayiṣaṇīyam -śiśvayiṣaṇīyāt