Declension table of ?sina

Neuter	Singular	Dual	Plural
Nominative	sinam	sine	sināni
Vocative	sina	sine	sināni
Accusative	sinam	sine	sināni
Instrumental	sinena	sinābhyām	sinaiḥ
Dative	sināya	sinābhyām	sinebhyaḥ
Ablative	sināt	sinābhyām	sinebhyaḥ
Genitive	sinasya	sinayoḥ	sinānām
Locative	sine	sinayoḥ	sineṣu

Compound sina -

Adverb -sinam -sināt