Declension table of ?tṛṇatva

Neuter	Singular	Dual	Plural
Nominative	tṛṇatvam	tṛṇatve	tṛṇatvāni
Vocative	tṛṇatva	tṛṇatve	tṛṇatvāni
Accusative	tṛṇatvam	tṛṇatve	tṛṇatvāni
Instrumental	tṛṇatvena	tṛṇatvābhyām	tṛṇatvaiḥ
Dative	tṛṇatvāya	tṛṇatvābhyām	tṛṇatvebhyaḥ
Ablative	tṛṇatvāt	tṛṇatvābhyām	tṛṇatvebhyaḥ
Genitive	tṛṇatvasya	tṛṇatvayoḥ	tṛṇatvānām
Locative	tṛṇatve	tṛṇatvayoḥ	tṛṇatveṣu

Compound tṛṇatva -

Adverb -tṛṇatvam -tṛṇatvāt