Declension table of ?sugu

Neuter	Singular	Dual	Plural
Nominative	sugu	sugunī	sugūni
Vocative	sugu	sugunī	sugūni
Accusative	sugu	sugunī	sugūni
Instrumental	sugunā	sugubhyām	sugubhiḥ
Dative	sugune	sugubhyām	sugubhyaḥ
Ablative	sugunaḥ	sugubhyām	sugubhyaḥ
Genitive	sugunaḥ	sugunoḥ	sugūnām
Locative	suguni	sugunoḥ	suguṣu

Compound sugu -

Adverb -sugu