Declension table of ?rahasyeṣṭi

Feminine	Singular	Dual	Plural
Nominative	rahasyeṣṭiḥ	rahasyeṣṭī	rahasyeṣṭayaḥ
Vocative	rahasyeṣṭe	rahasyeṣṭī	rahasyeṣṭayaḥ
Accusative	rahasyeṣṭim	rahasyeṣṭī	rahasyeṣṭīḥ
Instrumental	rahasyeṣṭyā	rahasyeṣṭibhyām	rahasyeṣṭibhiḥ
Dative	rahasyeṣṭyai rahasyeṣṭaye	rahasyeṣṭibhyām	rahasyeṣṭibhyaḥ
Ablative	rahasyeṣṭyāḥ rahasyeṣṭeḥ	rahasyeṣṭibhyām	rahasyeṣṭibhyaḥ
Genitive	rahasyeṣṭyāḥ rahasyeṣṭeḥ	rahasyeṣṭyoḥ	rahasyeṣṭīnām
Locative	rahasyeṣṭyām rahasyeṣṭau	rahasyeṣṭyoḥ	rahasyeṣṭiṣu

Compound rahasyeṣṭi -

Adverb -rahasyeṣṭi