Declension table of śayanīya

Masculine	Singular	Dual	Plural
Nominative	śayanīyaḥ	śayanīyau	śayanīyāḥ
Vocative	śayanīya	śayanīyau	śayanīyāḥ
Accusative	śayanīyam	śayanīyau	śayanīyān
Instrumental	śayanīyena	śayanīyābhyām	śayanīyaiḥ śayanīyebhiḥ
Dative	śayanīyāya	śayanīyābhyām	śayanīyebhyaḥ
Ablative	śayanīyāt	śayanīyābhyām	śayanīyebhyaḥ
Genitive	śayanīyasya	śayanīyayoḥ	śayanīyānām
Locative	śayanīye	śayanīyayoḥ	śayanīyeṣu

Compound śayanīya -

Adverb -śayanīyam -śayanīyāt