Declension table of ?vechayamāna

Neuter	Singular	Dual	Plural
Nominative	vechayamānam	vechayamāne	vechayamānāni
Vocative	vechayamāna	vechayamāne	vechayamānāni
Accusative	vechayamānam	vechayamāne	vechayamānāni
Instrumental	vechayamānena	vechayamānābhyām	vechayamānaiḥ
Dative	vechayamānāya	vechayamānābhyām	vechayamānebhyaḥ
Ablative	vechayamānāt	vechayamānābhyām	vechayamānebhyaḥ
Genitive	vechayamānasya	vechayamānayoḥ	vechayamānānām
Locative	vechayamāne	vechayamānayoḥ	vechayamāneṣu

Compound vechayamāna -

Adverb -vechayamānam -vechayamānāt