Declension table of ?śirasita

Neuter	Singular	Dual	Plural
Nominative	śirasitam	śirasite	śirasitāni
Vocative	śirasita	śirasite	śirasitāni
Accusative	śirasitam	śirasite	śirasitāni
Instrumental	śirasitena	śirasitābhyām	śirasitaiḥ
Dative	śirasitāya	śirasitābhyām	śirasitebhyaḥ
Ablative	śirasitāt	śirasitābhyām	śirasitebhyaḥ
Genitive	śirasitasya	śirasitayoḥ	śirasitānām
Locative	śirasite	śirasitayoḥ	śirasiteṣu

Compound śirasita -

Adverb -śirasitam -śirasitāt