Declension table of ?śīghrya

Neuter	Singular	Dual	Plural
Nominative	śīghryam	śīghrye	śīghryāṇi
Vocative	śīghrya	śīghrye	śīghryāṇi
Accusative	śīghryam	śīghrye	śīghryāṇi
Instrumental	śīghryeṇa	śīghryābhyām	śīghryaiḥ
Dative	śīghryāya	śīghryābhyām	śīghryebhyaḥ
Ablative	śīghryāt	śīghryābhyām	śīghryebhyaḥ
Genitive	śīghryasya	śīghryayoḥ	śīghryāṇām
Locative	śīghrye	śīghryayoḥ	śīghryeṣu

Compound śīghrya -

Adverb -śīghryam -śīghryāt