Declension table of ?sāmmātra

Masculine	Singular	Dual	Plural
Nominative	sāmmātraḥ	sāmmātrau	sāmmātrāḥ
Vocative	sāmmātra	sāmmātrau	sāmmātrāḥ
Accusative	sāmmātram	sāmmātrau	sāmmātrān
Instrumental	sāmmātreṇa	sāmmātrābhyām	sāmmātraiḥ sāmmātrebhiḥ
Dative	sāmmātrāya	sāmmātrābhyām	sāmmātrebhyaḥ
Ablative	sāmmātrāt	sāmmātrābhyām	sāmmātrebhyaḥ
Genitive	sāmmātrasya	sāmmātrayoḥ	sāmmātrāṇām
Locative	sāmmātre	sāmmātrayoḥ	sāmmātreṣu

Compound sāmmātra -

Adverb -sāmmātram -sāmmātrāt