Gnat and Pygmy

Gnat noun - Any of various small biting flies: midges; biting midges; black flies; sand flies.

Pygmy and gnat are semantically related In some cases you can use "Pygmy" instead a noun "Gnat".

Pygmy noun - A living thing much smaller than others of its kind.

Gnat and pygmy are semantically related in insignificant person topic. Sometimes you can use "Gnat" instead a noun "Pygmy".