Declension table of ?kulasūtra

Neuter	Singular	Dual	Plural
Nominative	kulasūtram	kulasūtre	kulasūtrāṇi
Vocative	kulasūtra	kulasūtre	kulasūtrāṇi
Accusative	kulasūtram	kulasūtre	kulasūtrāṇi
Instrumental	kulasūtreṇa	kulasūtrābhyām	kulasūtraiḥ
Dative	kulasūtrāya	kulasūtrābhyām	kulasūtrebhyaḥ
Ablative	kulasūtrāt	kulasūtrābhyām	kulasūtrebhyaḥ
Genitive	kulasūtrasya	kulasūtrayoḥ	kulasūtrāṇām
Locative	kulasūtre	kulasūtrayoḥ	kulasūtreṣu

Compound kulasūtra -

Adverb -kulasūtram -kulasūtrāt