Declension table of ?śiśvayiṣaṇīya

Masculine	Singular	Dual	Plural
Nominative	śiśvayiṣaṇīyaḥ	śiśvayiṣaṇīyau	śiśvayiṣaṇīyāḥ
Vocative	śiśvayiṣaṇīya	śiśvayiṣaṇīyau	śiśvayiṣaṇīyāḥ
Accusative	śiśvayiṣaṇīyam	śiśvayiṣaṇīyau	śiśvayiṣaṇīyān
Instrumental	śiśvayiṣaṇīyena	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyaiḥ śiśvayiṣaṇīyebhiḥ
Dative	śiśvayiṣaṇīyāya	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyebhyaḥ
Ablative	śiśvayiṣaṇīyāt	śiśvayiṣaṇīyābhyām	śiśvayiṣaṇīyebhyaḥ
Genitive	śiśvayiṣaṇīyasya	śiśvayiṣaṇīyayoḥ	śiśvayiṣaṇīyānām
Locative	śiśvayiṣaṇīye	śiśvayiṣaṇīyayoḥ	śiśvayiṣaṇīyeṣu

Compound śiśvayiṣaṇīya -

Adverb -śiśvayiṣaṇīyam -śiśvayiṣaṇīyāt