Declension table of ?goptavya

Masculine	Singular	Dual	Plural
Nominative	goptavyaḥ	goptavyau	goptavyāḥ
Vocative	goptavya	goptavyau	goptavyāḥ
Accusative	goptavyam	goptavyau	goptavyān
Instrumental	goptavyena	goptavyābhyām	goptavyaiḥ goptavyebhiḥ
Dative	goptavyāya	goptavyābhyām	goptavyebhyaḥ
Ablative	goptavyāt	goptavyābhyām	goptavyebhyaḥ
Genitive	goptavyasya	goptavyayoḥ	goptavyānām
Locative	goptavye	goptavyayoḥ	goptavyeṣu

Compound goptavya -

Adverb -goptavyam -goptavyāt