Declension table of ?upayogya

Neuter	Singular	Dual	Plural
Nominative	upayogyam	upayogye	upayogyāni
Vocative	upayogya	upayogye	upayogyāni
Accusative	upayogyam	upayogye	upayogyāni
Instrumental	upayogyena	upayogyābhyām	upayogyaiḥ
Dative	upayogyāya	upayogyābhyām	upayogyebhyaḥ
Ablative	upayogyāt	upayogyābhyām	upayogyebhyaḥ
Genitive	upayogyasya	upayogyayoḥ	upayogyānām
Locative	upayogye	upayogyayoḥ	upayogyeṣu

Compound upayogya -

Adverb -upayogyam -upayogyāt