Declension table of ?sampriya

Neuter	Singular	Dual	Plural
Nominative	sampriyam	sampriye	sampriyāṇi
Vocative	sampriya	sampriye	sampriyāṇi
Accusative	sampriyam	sampriye	sampriyāṇi
Instrumental	sampriyeṇa	sampriyābhyām	sampriyaiḥ
Dative	sampriyāya	sampriyābhyām	sampriyebhyaḥ
Ablative	sampriyāt	sampriyābhyām	sampriyebhyaḥ
Genitive	sampriyasya	sampriyayoḥ	sampriyāṇām
Locative	sampriye	sampriyayoḥ	sampriyeṣu

Compound sampriya -

Adverb -sampriyam -sampriyāt