Declension table of ?phalakayantra

Neuter	Singular	Dual	Plural
Nominative	phalakayantram	phalakayantre	phalakayantrāṇi
Vocative	phalakayantra	phalakayantre	phalakayantrāṇi
Accusative	phalakayantram	phalakayantre	phalakayantrāṇi
Instrumental	phalakayantreṇa	phalakayantrābhyām	phalakayantraiḥ
Dative	phalakayantrāya	phalakayantrābhyām	phalakayantrebhyaḥ
Ablative	phalakayantrāt	phalakayantrābhyām	phalakayantrebhyaḥ
Genitive	phalakayantrasya	phalakayantrayoḥ	phalakayantrāṇām
Locative	phalakayantre	phalakayantrayoḥ	phalakayantreṣu

Compound phalakayantra -

Adverb -phalakayantram -phalakayantrāt