مِلِيك

is also synonym with مَمْلُوكٌ; this is meant in the TA where it is said that مُلَكَاءُ in the saying لَبَا مُلُوكٌ وَلَيْسَ لَبَا مُلَكَاءُ [We have kings of bees, but we have not slaves] is plural of المَلِيكُ from المَمْلُوكُ: it is also said in article رغو in the TA, (see 4 in that article) that مَلِيكَةٌ is synonym with مَمْلُوكَةٌ.