Declension table of ṛtu

Masculine	Singular	Dual	Plural
Nominative	ṛtuḥ	ṛtū	ṛtavaḥ
Vocative	ṛto	ṛtū	ṛtavaḥ
Accusative	ṛtum	ṛtū	ṛtūn
Instrumental	ṛtunā	ṛtubhyām	ṛtubhiḥ
Dative	ṛtave	ṛtubhyām	ṛtubhyaḥ
Ablative	ṛtoḥ	ṛtubhyām	ṛtubhyaḥ
Genitive	ṛtoḥ	ṛtvoḥ	ṛtūnām
Locative	ṛtau	ṛtvoḥ	ṛtuṣu

Compound ṛtu -

Adverb -ṛtu