Declension table of upayogin

Neuter	Singular	Dual	Plural
Nominative	upayogi	upayoginī	upayogīni
Vocative	upayogin upayogi	upayoginī	upayogīni
Accusative	upayogi	upayoginī	upayogīni
Instrumental	upayoginā	upayogibhyām	upayogibhiḥ
Dative	upayogine	upayogibhyām	upayogibhyaḥ
Ablative	upayoginaḥ	upayogibhyām	upayogibhyaḥ
Genitive	upayoginaḥ	upayoginoḥ	upayoginām
Locative	upayogini	upayoginoḥ	upayogiṣu

Compound upayogi -

Adverb -upayogi