Declension table of ?tairthika

Neuter	Singular	Dual	Plural
Nominative	tairthikam	tairthike	tairthikāni
Vocative	tairthika	tairthike	tairthikāni
Accusative	tairthikam	tairthike	tairthikāni
Instrumental	tairthikena	tairthikābhyām	tairthikaiḥ
Dative	tairthikāya	tairthikābhyām	tairthikebhyaḥ
Ablative	tairthikāt	tairthikābhyām	tairthikebhyaḥ
Genitive	tairthikasya	tairthikayoḥ	tairthikānām
Locative	tairthike	tairthikayoḥ	tairthikeṣu

Compound tairthika -

Adverb -tairthikam -tairthikāt