Declension table of śīghra

Neuter	Singular	Dual	Plural
Nominative	śīghram	śīghre	śīghrāṇi
Vocative	śīghra	śīghre	śīghrāṇi
Accusative	śīghram	śīghre	śīghrāṇi
Instrumental	śīghreṇa	śīghrābhyām	śīghraiḥ
Dative	śīghrāya	śīghrābhyām	śīghrebhyaḥ
Ablative	śīghrāt	śīghrābhyām	śīghrebhyaḥ
Genitive	śīghrasya	śīghrayoḥ	śīghrāṇām
Locative	śīghre	śīghrayoḥ	śīghreṣu

Compound śīghra -

Adverb -śīghram -śīghrāt