Declension table of tilaka

Masculine	Singular	Dual	Plural
Nominative	tilakaḥ	tilakau	tilakāḥ
Vocative	tilaka	tilakau	tilakāḥ
Accusative	tilakam	tilakau	tilakān
Instrumental	tilakena	tilakābhyām	tilakaiḥ tilakebhiḥ
Dative	tilakāya	tilakābhyām	tilakebhyaḥ
Ablative	tilakāt	tilakābhyām	tilakebhyaḥ
Genitive	tilakasya	tilakayoḥ	tilakānām
Locative	tilake	tilakayoḥ	tilakeṣu

Compound tilaka -

Adverb -tilakam -tilakāt