Declension table of ?sindhumathya

Neuter	Singular	Dual	Plural
Nominative	sindhumathyam	sindhumathye	sindhumathyāni
Vocative	sindhumathya	sindhumathye	sindhumathyāni
Accusative	sindhumathyam	sindhumathye	sindhumathyāni
Instrumental	sindhumathyena	sindhumathyābhyām	sindhumathyaiḥ
Dative	sindhumathyāya	sindhumathyābhyām	sindhumathyebhyaḥ
Ablative	sindhumathyāt	sindhumathyābhyām	sindhumathyebhyaḥ
Genitive	sindhumathyasya	sindhumathyayoḥ	sindhumathyānām
Locative	sindhumathye	sindhumathyayoḥ	sindhumathyeṣu

Compound sindhumathya -

Adverb -sindhumathyam -sindhumathyāt