Declension table of ?śayanīyaka

Neuter	Singular	Dual	Plural
Nominative	śayanīyakam	śayanīyake	śayanīyakāni
Vocative	śayanīyaka	śayanīyake	śayanīyakāni
Accusative	śayanīyakam	śayanīyake	śayanīyakāni
Instrumental	śayanīyakena	śayanīyakābhyām	śayanīyakaiḥ
Dative	śayanīyakāya	śayanīyakābhyām	śayanīyakebhyaḥ
Ablative	śayanīyakāt	śayanīyakābhyām	śayanīyakebhyaḥ
Genitive	śayanīyakasya	śayanīyakayoḥ	śayanīyakānām
Locative	śayanīyake	śayanīyakayoḥ	śayanīyakeṣu

Compound śayanīyaka -

Adverb -śayanīyakam -śayanīyakāt