Declension table of ?sugantva

Masculine	Singular	Dual	Plural
Nominative	sugantvaḥ	sugantvau	sugantvāḥ
Vocative	sugantva	sugantvau	sugantvāḥ
Accusative	sugantvam	sugantvau	sugantvān
Instrumental	sugantvena	sugantvābhyām	sugantvaiḥ sugantvebhiḥ
Dative	sugantvāya	sugantvābhyām	sugantvebhyaḥ
Ablative	sugantvāt	sugantvābhyām	sugantvebhyaḥ
Genitive	sugantvasya	sugantvayoḥ	sugantvānām
Locative	sugantve	sugantvayoḥ	sugantveṣu

Compound sugantva -

Adverb -sugantvam -sugantvāt