Nouns

(n)pout, moue, wry facea disdainful grimace
(n)eelpout, poutmarine eellike mostly bottom-dwelling fishes of northern seas
(n)horned pout, hornpout, pout, Ameiurus melascatfish common in eastern United States

Verbs

(v)sulk, pout, broodbe in a huff and display one's displeasure“She is pouting because she didn't get what she wanted”
(v)pout, mop, mowmake a sad face and thrust out one's lower lip“mop and mow”, “The girl pouted”