Declension table of ?yakṣanāyaka

Masculine	Singular	Dual	Plural
Nominative	yakṣanāyakaḥ	yakṣanāyakau	yakṣanāyakāḥ
Vocative	yakṣanāyaka	yakṣanāyakau	yakṣanāyakāḥ
Accusative	yakṣanāyakam	yakṣanāyakau	yakṣanāyakān
Instrumental	yakṣanāyakena	yakṣanāyakābhyām	yakṣanāyakaiḥ yakṣanāyakebhiḥ
Dative	yakṣanāyakāya	yakṣanāyakābhyām	yakṣanāyakebhyaḥ
Ablative	yakṣanāyakāt	yakṣanāyakābhyām	yakṣanāyakebhyaḥ
Genitive	yakṣanāyakasya	yakṣanāyakayoḥ	yakṣanāyakānām
Locative	yakṣanāyake	yakṣanāyakayoḥ	yakṣanāyakeṣu

Compound yakṣanāyaka -

Adverb -yakṣanāyakam -yakṣanāyakāt