Groveler and Puffer

Groveler noun - Someone who humbles himself as a sign of respect; who behaves as if he had no self-respect.

Puffer and groveler are semantically related. In some cases you can use "Puffer" instead a noun "Groveler".

Puffer noun - Any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers.

Groveler and puffer are semantically related. Sometimes you can use "Groveler" instead a noun "Puffer".