Declension table of ?lakṣaṇaka

Masculine	Singular	Dual	Plural
Nominative	lakṣaṇakaḥ	lakṣaṇakau	lakṣaṇakāḥ
Vocative	lakṣaṇaka	lakṣaṇakau	lakṣaṇakāḥ
Accusative	lakṣaṇakam	lakṣaṇakau	lakṣaṇakān
Instrumental	lakṣaṇakena	lakṣaṇakābhyām	lakṣaṇakaiḥ lakṣaṇakebhiḥ
Dative	lakṣaṇakāya	lakṣaṇakābhyām	lakṣaṇakebhyaḥ
Ablative	lakṣaṇakāt	lakṣaṇakābhyām	lakṣaṇakebhyaḥ
Genitive	lakṣaṇakasya	lakṣaṇakayoḥ	lakṣaṇakānām
Locative	lakṣaṇake	lakṣaṇakayoḥ	lakṣaṇakeṣu

Compound lakṣaṇaka -

Adverb -lakṣaṇakam -lakṣaṇakāt