Declension table of ?vacanamātra

Neuter	Singular	Dual	Plural
Nominative	vacanamātram	vacanamātre	vacanamātrāṇi
Vocative	vacanamātra	vacanamātre	vacanamātrāṇi
Accusative	vacanamātram	vacanamātre	vacanamātrāṇi
Instrumental	vacanamātreṇa	vacanamātrābhyām	vacanamātraiḥ
Dative	vacanamātrāya	vacanamātrābhyām	vacanamātrebhyaḥ
Ablative	vacanamātrāt	vacanamātrābhyām	vacanamātrebhyaḥ
Genitive	vacanamātrasya	vacanamātrayoḥ	vacanamātrāṇām
Locative	vacanamātre	vacanamātrayoḥ	vacanamātreṣu

Compound vacanamātra -

Adverb -vacanamātram -vacanamātrāt