Declension table of ?pīṭhasūtra

Neuter	Singular	Dual	Plural
Nominative	pīṭhasūtram	pīṭhasūtre	pīṭhasūtrāṇi
Vocative	pīṭhasūtra	pīṭhasūtre	pīṭhasūtrāṇi
Accusative	pīṭhasūtram	pīṭhasūtre	pīṭhasūtrāṇi
Instrumental	pīṭhasūtreṇa	pīṭhasūtrābhyām	pīṭhasūtraiḥ
Dative	pīṭhasūtrāya	pīṭhasūtrābhyām	pīṭhasūtrebhyaḥ
Ablative	pīṭhasūtrāt	pīṭhasūtrābhyām	pīṭhasūtrebhyaḥ
Genitive	pīṭhasūtrasya	pīṭhasūtrayoḥ	pīṭhasūtrāṇām
Locative	pīṭhasūtre	pīṭhasūtrayoḥ	pīṭhasūtreṣu

Compound pīṭhasūtra -

Adverb -pīṭhasūtram -pīṭhasūtrāt