Declension table of ?samavāyana

Neuter	Singular	Dual	Plural
Nominative	samavāyanam	samavāyane	samavāyanāni
Vocative	samavāyana	samavāyane	samavāyanāni
Accusative	samavāyanam	samavāyane	samavāyanāni
Instrumental	samavāyanena	samavāyanābhyām	samavāyanaiḥ
Dative	samavāyanāya	samavāyanābhyām	samavāyanebhyaḥ
Ablative	samavāyanāt	samavāyanābhyām	samavāyanebhyaḥ
Genitive	samavāyanasya	samavāyanayoḥ	samavāyanānām
Locative	samavāyane	samavāyanayoḥ	samavāyaneṣu

Compound samavāyana -

Adverb -samavāyanam -samavāyanāt