Declension table of ?sugavya

Neuter	Singular	Dual	Plural
Nominative	sugavyam	sugavye	sugavyāni
Vocative	sugavya	sugavye	sugavyāni
Accusative	sugavyam	sugavye	sugavyāni
Instrumental	sugavyena	sugavyābhyām	sugavyaiḥ
Dative	sugavyāya	sugavyābhyām	sugavyebhyaḥ
Ablative	sugavyāt	sugavyābhyām	sugavyebhyaḥ
Genitive	sugavyasya	sugavyayoḥ	sugavyānām
Locative	sugavye	sugavyayoḥ	sugavyeṣu

Compound sugavya -

Adverb -sugavyam -sugavyāt