Declension table of ?ṛguttama

Neuter	Singular	Dual	Plural
Nominative	ṛguttamam	ṛguttame	ṛguttamāni
Vocative	ṛguttama	ṛguttame	ṛguttamāni
Accusative	ṛguttamam	ṛguttame	ṛguttamāni
Instrumental	ṛguttamena	ṛguttamābhyām	ṛguttamaiḥ
Dative	ṛguttamāya	ṛguttamābhyām	ṛguttamebhyaḥ
Ablative	ṛguttamāt	ṛguttamābhyām	ṛguttamebhyaḥ
Genitive	ṛguttamasya	ṛguttamayoḥ	ṛguttamānām
Locative	ṛguttame	ṛguttamayoḥ	ṛguttameṣu

Compound ṛguttama -

Adverb -ṛguttamam -ṛguttamāt