Declension table of ?subhāgya

Masculine	Singular	Dual	Plural
Nominative	subhāgyaḥ	subhāgyau	subhāgyāḥ
Vocative	subhāgya	subhāgyau	subhāgyāḥ
Accusative	subhāgyam	subhāgyau	subhāgyān
Instrumental	subhāgyena	subhāgyābhyām	subhāgyaiḥ subhāgyebhiḥ
Dative	subhāgyāya	subhāgyābhyām	subhāgyebhyaḥ
Ablative	subhāgyāt	subhāgyābhyām	subhāgyebhyaḥ
Genitive	subhāgyasya	subhāgyayoḥ	subhāgyānām
Locative	subhāgye	subhāgyayoḥ	subhāgyeṣu

Compound subhāgya -

Adverb -subhāgyam -subhāgyāt