Declension table of ?tṛṇasa

Masculine	Singular	Dual	Plural
Nominative	tṛṇasaḥ	tṛṇasau	tṛṇasāḥ
Vocative	tṛṇasa	tṛṇasau	tṛṇasāḥ
Accusative	tṛṇasam	tṛṇasau	tṛṇasān
Instrumental	tṛṇasena	tṛṇasābhyām	tṛṇasaiḥ tṛṇasebhiḥ
Dative	tṛṇasāya	tṛṇasābhyām	tṛṇasebhyaḥ
Ablative	tṛṇasāt	tṛṇasābhyām	tṛṇasebhyaḥ
Genitive	tṛṇasasya	tṛṇasayoḥ	tṛṇasānām
Locative	tṛṇase	tṛṇasayoḥ	tṛṇaseṣu

Compound tṛṇasa -

Adverb -tṛṇasam -tṛṇasāt