Declension table of ?vecayamāna

Masculine	Singular	Dual	Plural
Nominative	vecayamānaḥ	vecayamānau	vecayamānāḥ
Vocative	vecayamāna	vecayamānau	vecayamānāḥ
Accusative	vecayamānam	vecayamānau	vecayamānān
Instrumental	vecayamānena	vecayamānābhyām	vecayamānaiḥ vecayamānebhiḥ
Dative	vecayamānāya	vecayamānābhyām	vecayamānebhyaḥ
Ablative	vecayamānāt	vecayamānābhyām	vecayamānebhyaḥ
Genitive	vecayamānasya	vecayamānayoḥ	vecayamānānām
Locative	vecayamāne	vecayamānayoḥ	vecayamāneṣu

Compound vecayamāna -

Adverb -vecayamānam -vecayamānāt