Declension table of ?śaigrava

Neuter	Singular	Dual	Plural
Nominative	śaigravam	śaigrave	śaigravāṇi
Vocative	śaigrava	śaigrave	śaigravāṇi
Accusative	śaigravam	śaigrave	śaigravāṇi
Instrumental	śaigraveṇa	śaigravābhyām	śaigravaiḥ
Dative	śaigravāya	śaigravābhyām	śaigravebhyaḥ
Ablative	śaigravāt	śaigravābhyām	śaigravebhyaḥ
Genitive	śaigravasya	śaigravayoḥ	śaigravāṇām
Locative	śaigrave	śaigravayoḥ	śaigraveṣu

Compound śaigrava -

Adverb -śaigravam -śaigravāt