Declension table of tṛtīya

Neuter	Singular	Dual	Plural
Nominative	tṛtīyam	tṛtīye	tṛtīyāni
Vocative	tṛtīya	tṛtīye	tṛtīyāni
Accusative	tṛtīyam	tṛtīye	tṛtīyāni
Instrumental	tṛtīyena	tṛtīyābhyām	tṛtīyaiḥ
Dative	tṛtīyāya	tṛtīyābhyām	tṛtīyebhyaḥ
Ablative	tṛtīyāt	tṛtīyābhyām	tṛtīyebhyaḥ
Genitive	tṛtīyasya	tṛtīyayoḥ	tṛtīyānām
Locative	tṛtīye	tṛtīyayoḥ	tṛtīyeṣu

Compound tṛtīya -

Adverb -tṛtīyam -tṛtīyāt