Declension table of ?nektavya

Neuter	Singular	Dual	Plural
Nominative	nektavyam	nektavye	nektavyāni
Vocative	nektavya	nektavye	nektavyāni
Accusative	nektavyam	nektavye	nektavyāni
Instrumental	nektavyena	nektavyābhyām	nektavyaiḥ
Dative	nektavyāya	nektavyābhyām	nektavyebhyaḥ
Ablative	nektavyāt	nektavyābhyām	nektavyebhyaḥ
Genitive	nektavyasya	nektavyayoḥ	nektavyānām
Locative	nektavye	nektavyayoḥ	nektavyeṣu

Compound nektavya -

Adverb -nektavyam -nektavyāt