Flats and Procumbent

Flats noun - Footwear (shoes or slippers) with no heel (or a very low heel).

Procumbent and flats are semantically related. in level topic. In some cases you can use "Procumbent" instead an adjective "Flats".

Procumbent adjective - Having stems that trail along the ground without putting down roots.

Flats and procumbent are semantically related. Sometimes you can replace term "Flats" with "Procumbent", this adjectives are similar.