Declension table of ?śayyāntara

Neuter	Singular	Dual	Plural
Nominative	śayyāntaram	śayyāntare	śayyāntarāṇi
Vocative	śayyāntara	śayyāntare	śayyāntarāṇi
Accusative	śayyāntaram	śayyāntare	śayyāntarāṇi
Instrumental	śayyāntareṇa	śayyāntarābhyām	śayyāntaraiḥ
Dative	śayyāntarāya	śayyāntarābhyām	śayyāntarebhyaḥ
Ablative	śayyāntarāt	śayyāntarābhyām	śayyāntarebhyaḥ
Genitive	śayyāntarasya	śayyāntarayoḥ	śayyāntarāṇām
Locative	śayyāntare	śayyāntarayoḥ	śayyāntareṣu

Compound śayyāntara -

Adverb -śayyāntaram -śayyāntarāt