Declension table of ?śūlastha

Masculine	Singular	Dual	Plural
Nominative	śūlasthaḥ	śūlasthau	śūlasthāḥ
Vocative	śūlastha	śūlasthau	śūlasthāḥ
Accusative	śūlastham	śūlasthau	śūlasthān
Instrumental	śūlasthena	śūlasthābhyām	śūlasthaiḥ śūlasthebhiḥ
Dative	śūlasthāya	śūlasthābhyām	śūlasthebhyaḥ
Ablative	śūlasthāt	śūlasthābhyām	śūlasthebhyaḥ
Genitive	śūlasthasya	śūlasthayoḥ	śūlasthānām
Locative	śūlasthe	śūlasthayoḥ	śūlastheṣu

Compound śūlastha -

Adverb -śūlastham -śūlasthāt