Declension table of ?tṛṇaka

Masculine	Singular	Dual	Plural
Nominative	tṛṇakaḥ	tṛṇakau	tṛṇakāḥ
Vocative	tṛṇaka	tṛṇakau	tṛṇakāḥ
Accusative	tṛṇakam	tṛṇakau	tṛṇakān
Instrumental	tṛṇakena	tṛṇakābhyām	tṛṇakaiḥ tṛṇakebhiḥ
Dative	tṛṇakāya	tṛṇakābhyām	tṛṇakebhyaḥ
Ablative	tṛṇakāt	tṛṇakābhyām	tṛṇakebhyaḥ
Genitive	tṛṇakasya	tṛṇakayoḥ	tṛṇakānām
Locative	tṛṇake	tṛṇakayoḥ	tṛṇakeṣu

Compound tṛṇaka -

Adverb -tṛṇakam -tṛṇakāt