Declension table of somasūtra

Neuter	Singular	Dual	Plural
Nominative	somasūtram	somasūtre	somasūtrāṇi
Vocative	somasūtra	somasūtre	somasūtrāṇi
Accusative	somasūtram	somasūtre	somasūtrāṇi
Instrumental	somasūtreṇa	somasūtrābhyām	somasūtraiḥ
Dative	somasūtrāya	somasūtrābhyām	somasūtrebhyaḥ
Ablative	somasūtrāt	somasūtrābhyām	somasūtrebhyaḥ
Genitive	somasūtrasya	somasūtrayoḥ	somasūtrāṇām
Locative	somasūtre	somasūtrayoḥ	somasūtreṣu

Compound somasūtra -

Adverb -somasūtram -somasūtrāt