Declension table of ?śūlastha

Neuter	Singular	Dual	Plural
Nominative	śūlastham	śūlasthe	śūlasthāni
Vocative	śūlastha	śūlasthe	śūlasthāni
Accusative	śūlastham	śūlasthe	śūlasthāni
Instrumental	śūlasthena	śūlasthābhyām	śūlasthaiḥ
Dative	śūlasthāya	śūlasthābhyām	śūlasthebhyaḥ
Ablative	śūlasthāt	śūlasthābhyām	śūlasthebhyaḥ
Genitive	śūlasthasya	śūlasthayoḥ	śūlasthānām
Locative	śūlasthe	śūlasthayoḥ	śūlastheṣu

Compound śūlastha -

Adverb -śūlastham -śūlasthāt