Declension table of ?adhivāsana

Neuter	Singular	Dual	Plural
Nominative	adhivāsanam	adhivāsane	adhivāsanāni
Vocative	adhivāsana	adhivāsane	adhivāsanāni
Accusative	adhivāsanam	adhivāsane	adhivāsanāni
Instrumental	adhivāsanena	adhivāsanābhyām	adhivāsanaiḥ
Dative	adhivāsanāya	adhivāsanābhyām	adhivāsanebhyaḥ
Ablative	adhivāsanāt	adhivāsanābhyām	adhivāsanebhyaḥ
Genitive	adhivāsanasya	adhivāsanayoḥ	adhivāsanānām
Locative	adhivāsane	adhivāsanayoḥ	adhivāsaneṣu

Compound adhivāsana -

Adverb -adhivāsanam -adhivāsanāt