Declension table of ?buddhivṛddhi

Masculine	Singular	Dual	Plural
Nominative	buddhivṛddhiḥ	buddhivṛddhī	buddhivṛddhayaḥ
Vocative	buddhivṛddhe	buddhivṛddhī	buddhivṛddhayaḥ
Accusative	buddhivṛddhim	buddhivṛddhī	buddhivṛddhīn
Instrumental	buddhivṛddhinā	buddhivṛddhibhyām	buddhivṛddhibhiḥ
Dative	buddhivṛddhaye	buddhivṛddhibhyām	buddhivṛddhibhyaḥ
Ablative	buddhivṛddheḥ	buddhivṛddhibhyām	buddhivṛddhibhyaḥ
Genitive	buddhivṛddheḥ	buddhivṛddhyoḥ	buddhivṛddhīnām
Locative	buddhivṛddhau	buddhivṛddhyoḥ	buddhivṛddhiṣu

Compound buddhivṛddhi -

Adverb -buddhivṛddhi