Declension table of ?śapana

Neuter	Singular	Dual	Plural
Nominative	śapanam	śapane	śapanāni
Vocative	śapana	śapane	śapanāni
Accusative	śapanam	śapane	śapanāni
Instrumental	śapanena	śapanābhyām	śapanaiḥ
Dative	śapanāya	śapanābhyām	śapanebhyaḥ
Ablative	śapanāt	śapanābhyām	śapanebhyaḥ
Genitive	śapanasya	śapanayoḥ	śapanānām
Locative	śapane	śapanayoḥ	śapaneṣu

Compound śapana -

Adverb -śapanam -śapanāt