Declension table of ?ṣaṇmātra

Masculine	Singular	Dual	Plural
Nominative	ṣaṇmātraḥ	ṣaṇmātrau	ṣaṇmātrāḥ
Vocative	ṣaṇmātra	ṣaṇmātrau	ṣaṇmātrāḥ
Accusative	ṣaṇmātram	ṣaṇmātrau	ṣaṇmātrān
Instrumental	ṣaṇmātreṇa	ṣaṇmātrābhyām	ṣaṇmātraiḥ ṣaṇmātrebhiḥ
Dative	ṣaṇmātrāya	ṣaṇmātrābhyām	ṣaṇmātrebhyaḥ
Ablative	ṣaṇmātrāt	ṣaṇmātrābhyām	ṣaṇmātrebhyaḥ
Genitive	ṣaṇmātrasya	ṣaṇmātrayoḥ	ṣaṇmātrāṇām
Locative	ṣaṇmātre	ṣaṇmātrayoḥ	ṣaṇmātreṣu

Compound ṣaṇmātra -

Adverb -ṣaṇmātram -ṣaṇmātrāt