Declension table of ?avantisoma

Masculine	Singular	Dual	Plural
Nominative	avantisomaḥ	avantisomau	avantisomāḥ
Vocative	avantisoma	avantisomau	avantisomāḥ
Accusative	avantisomam	avantisomau	avantisomān
Instrumental	avantisomena	avantisomābhyām	avantisomaiḥ avantisomebhiḥ
Dative	avantisomāya	avantisomābhyām	avantisomebhyaḥ
Ablative	avantisomāt	avantisomābhyām	avantisomebhyaḥ
Genitive	avantisomasya	avantisomayoḥ	avantisomānām
Locative	avantisome	avantisomayoḥ	avantisomeṣu

Compound avantisoma -

Adverb -avantisomam -avantisomāt