Declension table of ?āgastīya

Neuter	Singular	Dual	Plural
Nominative	āgastīyam	āgastīye	āgastīyāni
Vocative	āgastīya	āgastīye	āgastīyāni
Accusative	āgastīyam	āgastīye	āgastīyāni
Instrumental	āgastīyena	āgastīyābhyām	āgastīyaiḥ
Dative	āgastīyāya	āgastīyābhyām	āgastīyebhyaḥ
Ablative	āgastīyāt	āgastīyābhyām	āgastīyebhyaḥ
Genitive	āgastīyasya	āgastīyayoḥ	āgastīyānām
Locative	āgastīye	āgastīyayoḥ	āgastīyeṣu

Compound āgastīya -

Adverb -āgastīyam -āgastīyāt