Declension table of ?gayasādhana

Neuter	Singular	Dual	Plural
Nominative	gayasādhanam	gayasādhane	gayasādhanāni
Vocative	gayasādhana	gayasādhane	gayasādhanāni
Accusative	gayasādhanam	gayasādhane	gayasādhanāni
Instrumental	gayasādhanena	gayasādhanābhyām	gayasādhanaiḥ
Dative	gayasādhanāya	gayasādhanābhyām	gayasādhanebhyaḥ
Ablative	gayasādhanāt	gayasādhanābhyām	gayasādhanebhyaḥ
Genitive	gayasādhanasya	gayasādhanayoḥ	gayasādhanānām
Locative	gayasādhane	gayasādhanayoḥ	gayasādhaneṣu

Compound gayasādhana -

Adverb -gayasādhanam -gayasādhanāt