Declension table of ?āhaspatya

Neuter	Singular	Dual	Plural
Nominative	āhaspatyam	āhaspatye	āhaspatyāni
Vocative	āhaspatya	āhaspatye	āhaspatyāni
Accusative	āhaspatyam	āhaspatye	āhaspatyāni
Instrumental	āhaspatyena	āhaspatyābhyām	āhaspatyaiḥ
Dative	āhaspatyāya	āhaspatyābhyām	āhaspatyebhyaḥ
Ablative	āhaspatyāt	āhaspatyābhyām	āhaspatyebhyaḥ
Genitive	āhaspatyasya	āhaspatyayoḥ	āhaspatyānām
Locative	āhaspatye	āhaspatyayoḥ	āhaspatyeṣu

Compound āhaspatya -

Adverb -āhaspatyam -āhaspatyāt