Declension table of ?sahāsa

Masculine	Singular	Dual	Plural
Nominative	sahāsaḥ	sahāsau	sahāsāḥ
Vocative	sahāsa	sahāsau	sahāsāḥ
Accusative	sahāsam	sahāsau	sahāsān
Instrumental	sahāsena	sahāsābhyām	sahāsaiḥ sahāsebhiḥ
Dative	sahāsāya	sahāsābhyām	sahāsebhyaḥ
Ablative	sahāsāt	sahāsābhyām	sahāsebhyaḥ
Genitive	sahāsasya	sahāsayoḥ	sahāsānām
Locative	sahāse	sahāsayoḥ	sahāseṣu

Compound sahāsa -

Adverb -sahāsam -sahāsāt