Declension table of ?vanaprastha

Masculine	Singular	Dual	Plural
Nominative	vanaprasthaḥ	vanaprasthau	vanaprasthāḥ
Vocative	vanaprastha	vanaprasthau	vanaprasthāḥ
Accusative	vanaprastham	vanaprasthau	vanaprasthān
Instrumental	vanaprasthena	vanaprasthābhyām	vanaprasthaiḥ vanaprasthebhiḥ
Dative	vanaprasthāya	vanaprasthābhyām	vanaprasthebhyaḥ
Ablative	vanaprasthāt	vanaprasthābhyām	vanaprasthebhyaḥ
Genitive	vanaprasthasya	vanaprasthayoḥ	vanaprasthānām
Locative	vanaprasthe	vanaprasthayoḥ	vanaprastheṣu

Compound vanaprastha -

Adverb -vanaprastham -vanaprasthāt