Declension table of ?mānamātra

Neuter	Singular	Dual	Plural
Nominative	mānamātram	mānamātre	mānamātrāṇi
Vocative	mānamātra	mānamātre	mānamātrāṇi
Accusative	mānamātram	mānamātre	mānamātrāṇi
Instrumental	mānamātreṇa	mānamātrābhyām	mānamātraiḥ
Dative	mānamātrāya	mānamātrābhyām	mānamātrebhyaḥ
Ablative	mānamātrāt	mānamātrābhyām	mānamātrebhyaḥ
Genitive	mānamātrasya	mānamātrayoḥ	mānamātrāṇām
Locative	mānamātre	mānamātrayoḥ	mānamātreṣu

Compound mānamātra -

Adverb -mānamātram -mānamātrāt