Declension table of ?anavasāna

Neuter	Singular	Dual	Plural
Nominative	anavasānam	anavasāne	anavasānāni
Vocative	anavasāna	anavasāne	anavasānāni
Accusative	anavasānam	anavasāne	anavasānāni
Instrumental	anavasānena	anavasānābhyām	anavasānaiḥ
Dative	anavasānāya	anavasānābhyām	anavasānebhyaḥ
Ablative	anavasānāt	anavasānābhyām	anavasānebhyaḥ
Genitive	anavasānasya	anavasānayoḥ	anavasānānām
Locative	anavasāne	anavasānayoḥ	anavasāneṣu

Compound anavasāna -

Adverb -anavasānam -anavasānāt