Declension table of ?vaidhika

Neuter	Singular	Dual	Plural
Nominative	vaidhikam	vaidhike	vaidhikāni
Vocative	vaidhika	vaidhike	vaidhikāni
Accusative	vaidhikam	vaidhike	vaidhikāni
Instrumental	vaidhikena	vaidhikābhyām	vaidhikaiḥ
Dative	vaidhikāya	vaidhikābhyām	vaidhikebhyaḥ
Ablative	vaidhikāt	vaidhikābhyām	vaidhikebhyaḥ
Genitive	vaidhikasya	vaidhikayoḥ	vaidhikānām
Locative	vaidhike	vaidhikayoḥ	vaidhikeṣu

Compound vaidhika -

Adverb -vaidhikam -vaidhikāt