Declension table of saptaka

Neuter	Singular	Dual	Plural
Nominative	saptakam	saptake	saptakāni
Vocative	saptaka	saptake	saptakāni
Accusative	saptakam	saptake	saptakāni
Instrumental	saptakena	saptakābhyām	saptakaiḥ
Dative	saptakāya	saptakābhyām	saptakebhyaḥ
Ablative	saptakāt	saptakābhyām	saptakebhyaḥ
Genitive	saptakasya	saptakayoḥ	saptakānām
Locative	saptake	saptakayoḥ	saptakeṣu

Compound saptaka -

Adverb -saptakam -saptakāt