Declension table of ?āhaspatya

Masculine	Singular	Dual	Plural
Nominative	āhaspatyaḥ	āhaspatyau	āhaspatyāḥ
Vocative	āhaspatya	āhaspatyau	āhaspatyāḥ
Accusative	āhaspatyam	āhaspatyau	āhaspatyān
Instrumental	āhaspatyena	āhaspatyābhyām	āhaspatyaiḥ āhaspatyebhiḥ
Dative	āhaspatyāya	āhaspatyābhyām	āhaspatyebhyaḥ
Ablative	āhaspatyāt	āhaspatyābhyām	āhaspatyebhyaḥ
Genitive	āhaspatyasya	āhaspatyayoḥ	āhaspatyānām
Locative	āhaspatye	āhaspatyayoḥ	āhaspatyeṣu

Compound āhaspatya -

Adverb -āhaspatyam -āhaspatyāt