Declension table of āvantaka

Neuter	Singular	Dual	Plural
Nominative	āvantakam	āvantake	āvantakāni
Vocative	āvantaka	āvantake	āvantakāni
Accusative	āvantakam	āvantake	āvantakāni
Instrumental	āvantakena	āvantakābhyām	āvantakaiḥ
Dative	āvantakāya	āvantakābhyām	āvantakebhyaḥ
Ablative	āvantakāt	āvantakābhyām	āvantakebhyaḥ
Genitive	āvantakasya	āvantakayoḥ	āvantakānām
Locative	āvantake	āvantakayoḥ	āvantakeṣu

Compound āvantaka -

Adverb -āvantakam -āvantakāt