Declension table of ?svadhyavasāna

Neuter	Singular	Dual	Plural
Nominative	svadhyavasānam	svadhyavasāne	svadhyavasānāni
Vocative	svadhyavasāna	svadhyavasāne	svadhyavasānāni
Accusative	svadhyavasānam	svadhyavasāne	svadhyavasānāni
Instrumental	svadhyavasānena	svadhyavasānābhyām	svadhyavasānaiḥ
Dative	svadhyavasānāya	svadhyavasānābhyām	svadhyavasānebhyaḥ
Ablative	svadhyavasānāt	svadhyavasānābhyām	svadhyavasānebhyaḥ
Genitive	svadhyavasānasya	svadhyavasānayoḥ	svadhyavasānānām
Locative	svadhyavasāne	svadhyavasānayoḥ	svadhyavasāneṣu

Compound svadhyavasāna -

Adverb -svadhyavasānam -svadhyavasānāt