Declension table of ?sahasraśirasa

Neuter	Singular	Dual	Plural
Nominative	sahasraśirasam	sahasraśirase	sahasraśirasāni
Vocative	sahasraśirasa	sahasraśirase	sahasraśirasāni
Accusative	sahasraśirasam	sahasraśirase	sahasraśirasāni
Instrumental	sahasraśirasena	sahasraśirasābhyām	sahasraśirasaiḥ
Dative	sahasraśirasāya	sahasraśirasābhyām	sahasraśirasebhyaḥ
Ablative	sahasraśirasāt	sahasraśirasābhyām	sahasraśirasebhyaḥ
Genitive	sahasraśirasasya	sahasraśirasayoḥ	sahasraśirasānām
Locative	sahasraśirase	sahasraśirasayoḥ	sahasraśiraseṣu

Compound sahasraśirasa -

Adverb -sahasraśirasam -sahasraśirasāt