Craniate and Tetrapod

Craniate noun - Animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium.

Tetrapod and craniate are semantically related. In some cases you can replace term "Tetrapod" with "Craniate", this nouns are similar.

Tetrapod noun - A vertebrate animal having four feet or legs or leglike appendages.

Craniate and tetrapod are semantically related. Sometimes you can use "Craniate" instead a noun "Tetrapod".