Declension table of ?sapauṣṇamaitra

Masculine	Singular	Dual	Plural
Nominative	sapauṣṇamaitraḥ	sapauṣṇamaitrau	sapauṣṇamaitrāḥ
Vocative	sapauṣṇamaitra	sapauṣṇamaitrau	sapauṣṇamaitrāḥ
Accusative	sapauṣṇamaitram	sapauṣṇamaitrau	sapauṣṇamaitrān
Instrumental	sapauṣṇamaitreṇa	sapauṣṇamaitrābhyām	sapauṣṇamaitraiḥ sapauṣṇamaitrebhiḥ
Dative	sapauṣṇamaitrāya	sapauṣṇamaitrābhyām	sapauṣṇamaitrebhyaḥ
Ablative	sapauṣṇamaitrāt	sapauṣṇamaitrābhyām	sapauṣṇamaitrebhyaḥ
Genitive	sapauṣṇamaitrasya	sapauṣṇamaitrayoḥ	sapauṣṇamaitrāṇām
Locative	sapauṣṇamaitre	sapauṣṇamaitrayoḥ	sapauṣṇamaitreṣu

Compound sapauṣṇamaitra -

Adverb -sapauṣṇamaitram -sapauṣṇamaitrāt