Declension table of heya

Masculine	Singular	Dual	Plural
Nominative	heyaḥ	heyau	heyāḥ
Vocative	heya	heyau	heyāḥ
Accusative	heyam	heyau	heyān
Instrumental	heyena	heyābhyām	heyaiḥ heyebhiḥ
Dative	heyāya	heyābhyām	heyebhyaḥ
Ablative	heyāt	heyābhyām	heyebhyaḥ
Genitive	heyasya	heyayoḥ	heyānām
Locative	heye	heyayoḥ	heyeṣu

Compound heya -

Adverb -heyam -heyāt