Declension table of ?drutayāna

Neuter	Singular	Dual	Plural
Nominative	drutayānam	drutayāne	drutayānāni
Vocative	drutayāna	drutayāne	drutayānāni
Accusative	drutayānam	drutayāne	drutayānāni
Instrumental	drutayānena	drutayānābhyām	drutayānaiḥ
Dative	drutayānāya	drutayānābhyām	drutayānebhyaḥ
Ablative	drutayānāt	drutayānābhyām	drutayānebhyaḥ
Genitive	drutayānasya	drutayānayoḥ	drutayānānām
Locative	drutayāne	drutayānayoḥ	drutayāneṣu

Compound drutayāna -

Adverb -drutayānam -drutayānāt