Declension table of ?ṛtuparyāya

Masculine	Singular	Dual	Plural
Nominative	ṛtuparyāyaḥ	ṛtuparyāyau	ṛtuparyāyāḥ
Vocative	ṛtuparyāya	ṛtuparyāyau	ṛtuparyāyāḥ
Accusative	ṛtuparyāyam	ṛtuparyāyau	ṛtuparyāyān
Instrumental	ṛtuparyāyeṇa	ṛtuparyāyābhyām	ṛtuparyāyaiḥ ṛtuparyāyebhiḥ
Dative	ṛtuparyāyāya	ṛtuparyāyābhyām	ṛtuparyāyebhyaḥ
Ablative	ṛtuparyāyāt	ṛtuparyāyābhyām	ṛtuparyāyebhyaḥ
Genitive	ṛtuparyāyasya	ṛtuparyāyayoḥ	ṛtuparyāyāṇām
Locative	ṛtuparyāye	ṛtuparyāyayoḥ	ṛtuparyāyeṣu

Compound ṛtuparyāya -

Adverb -ṛtuparyāyam -ṛtuparyāyāt