Declension table of ?gūhya

Masculine	Singular	Dual	Plural
Nominative	gūhyaḥ	gūhyau	gūhyāḥ
Vocative	gūhya	gūhyau	gūhyāḥ
Accusative	gūhyam	gūhyau	gūhyān
Instrumental	gūhyena	gūhyābhyām	gūhyaiḥ gūhyebhiḥ
Dative	gūhyāya	gūhyābhyām	gūhyebhyaḥ
Ablative	gūhyāt	gūhyābhyām	gūhyebhyaḥ
Genitive	gūhyasya	gūhyayoḥ	gūhyānām
Locative	gūhye	gūhyayoḥ	gūhyeṣu

Compound gūhya -

Adverb -gūhyam -gūhyāt