Declension table of ?gauhyaka

Neuter	Singular	Dual	Plural
Nominative	gauhyakam	gauhyake	gauhyakāni
Vocative	gauhyaka	gauhyake	gauhyakāni
Accusative	gauhyakam	gauhyake	gauhyakāni
Instrumental	gauhyakena	gauhyakābhyām	gauhyakaiḥ
Dative	gauhyakāya	gauhyakābhyām	gauhyakebhyaḥ
Ablative	gauhyakāt	gauhyakābhyām	gauhyakebhyaḥ
Genitive	gauhyakasya	gauhyakayoḥ	gauhyakānām
Locative	gauhyake	gauhyakayoḥ	gauhyakeṣu

Compound gauhyaka -

Adverb -gauhyakam -gauhyakāt