Declension table of ?subhāgya

Neuter	Singular	Dual	Plural
Nominative	subhāgyam	subhāgye	subhāgyāni
Vocative	subhāgya	subhāgye	subhāgyāni
Accusative	subhāgyam	subhāgye	subhāgyāni
Instrumental	subhāgyena	subhāgyābhyām	subhāgyaiḥ
Dative	subhāgyāya	subhāgyābhyām	subhāgyebhyaḥ
Ablative	subhāgyāt	subhāgyābhyām	subhāgyebhyaḥ
Genitive	subhāgyasya	subhāgyayoḥ	subhāgyānām
Locative	subhāgye	subhāgyayoḥ	subhāgyeṣu

Compound subhāgya -

Adverb -subhāgyam -subhāgyāt