Declension table of ?dhāraṇayantra

Neuter	Singular	Dual	Plural
Nominative	dhāraṇayantram	dhāraṇayantre	dhāraṇayantrāṇi
Vocative	dhāraṇayantra	dhāraṇayantre	dhāraṇayantrāṇi
Accusative	dhāraṇayantram	dhāraṇayantre	dhāraṇayantrāṇi
Instrumental	dhāraṇayantreṇa	dhāraṇayantrābhyām	dhāraṇayantraiḥ
Dative	dhāraṇayantrāya	dhāraṇayantrābhyām	dhāraṇayantrebhyaḥ
Ablative	dhāraṇayantrāt	dhāraṇayantrābhyām	dhāraṇayantrebhyaḥ
Genitive	dhāraṇayantrasya	dhāraṇayantrayoḥ	dhāraṇayantrāṇām
Locative	dhāraṇayantre	dhāraṇayantrayoḥ	dhāraṇayantreṣu

Compound dhāraṇayantra -

Adverb -dhāraṇayantram -dhāraṇayantrāt