Declension table of ?sandha

Neuter	Singular	Dual	Plural
Nominative	sandham	sandhe	sandhāni
Vocative	sandha	sandhe	sandhāni
Accusative	sandham	sandhe	sandhāni
Instrumental	sandhena	sandhābhyām	sandhaiḥ
Dative	sandhāya	sandhābhyām	sandhebhyaḥ
Ablative	sandhāt	sandhābhyām	sandhebhyaḥ
Genitive	sandhasya	sandhayoḥ	sandhānām
Locative	sandhe	sandhayoḥ	sandheṣu

Compound sandha -

Adverb -sandham -sandhāt