what is the difference between a suspension and immisible liquids

1.suspension is a non homogeneous systems in which solids are dispersed in liquids.
immisible liquids is the mixture of 2 mutually insoluble liquids.
2.particles in suspension settle down after sometime (unstable).
the immisible liquids form 2 seperate layers on pouring in a container according to their densities.
3.suspension involves both solid and liquid.
immisible liquids contain only liquids