Declension table of ?plavamāna

Neuter	Singular	Dual	Plural
Nominative	plavamānam	plavamāne	plavamānāni
Vocative	plavamāna	plavamāne	plavamānāni
Accusative	plavamānam	plavamāne	plavamānāni
Instrumental	plavamānena	plavamānābhyām	plavamānaiḥ
Dative	plavamānāya	plavamānābhyām	plavamānebhyaḥ
Ablative	plavamānāt	plavamānābhyām	plavamānebhyaḥ
Genitive	plavamānasya	plavamānayoḥ	plavamānānām
Locative	plavamāne	plavamānayoḥ	plavamāneṣu

Compound plavamāna -

Adverb -plavamānam -plavamānāt