Declension table of ?ṛtayu

Neuter	Singular	Dual	Plural
Nominative	ṛtayu	ṛtayunī	ṛtayūni
Vocative	ṛtayu	ṛtayunī	ṛtayūni
Accusative	ṛtayu	ṛtayunī	ṛtayūni
Instrumental	ṛtayunā	ṛtayubhyām	ṛtayubhiḥ
Dative	ṛtayune	ṛtayubhyām	ṛtayubhyaḥ
Ablative	ṛtayunaḥ	ṛtayubhyām	ṛtayubhyaḥ
Genitive	ṛtayunaḥ	ṛtayunoḥ	ṛtayūnām
Locative	ṛtayuni	ṛtayunoḥ	ṛtayuṣu

Compound ṛtayu -

Adverb -ṛtayu