Declension table of ?sīdhurasa

Masculine	Singular	Dual	Plural
Nominative	sīdhurasaḥ	sīdhurasau	sīdhurasāḥ
Vocative	sīdhurasa	sīdhurasau	sīdhurasāḥ
Accusative	sīdhurasam	sīdhurasau	sīdhurasān
Instrumental	sīdhurasena	sīdhurasābhyām	sīdhurasaiḥ sīdhurasebhiḥ
Dative	sīdhurasāya	sīdhurasābhyām	sīdhurasebhyaḥ
Ablative	sīdhurasāt	sīdhurasābhyām	sīdhurasebhyaḥ
Genitive	sīdhurasasya	sīdhurasayoḥ	sīdhurasānām
Locative	sīdhurase	sīdhurasayoḥ	sīdhuraseṣu

Compound sīdhurasa -

Adverb -sīdhurasam -sīdhurasāt