Declension table of ?bhīṣmasū

Feminine	Singular	Dual	Plural
Nominative	bhīṣmasūḥ	bhīṣmasuvau	bhīṣmasuvaḥ
Vocative	bhīṣmasūḥ bhīṣmasu	bhīṣmasuvau	bhīṣmasuvaḥ
Accusative	bhīṣmasuvam	bhīṣmasuvau	bhīṣmasuvaḥ
Instrumental	bhīṣmasuvā	bhīṣmasūbhyām	bhīṣmasūbhiḥ
Dative	bhīṣmasuvai bhīṣmasuve	bhīṣmasūbhyām	bhīṣmasūbhyaḥ
Ablative	bhīṣmasuvāḥ bhīṣmasuvaḥ	bhīṣmasūbhyām	bhīṣmasūbhyaḥ
Genitive	bhīṣmasuvāḥ bhīṣmasuvaḥ	bhīṣmasuvoḥ	bhīṣmasūnām bhīṣmasuvām
Locative	bhīṣmasuvi bhīṣmasuvām	bhīṣmasuvoḥ	bhīṣmasūṣu

Compound bhīṣmasū -

Adverb -bhīṣmasu