Answer:
咸 GEN, KAN, shige, mina - all
威 I - authority, dignity, majesty, threat
堅 KEN, kata(i) - firm, hard, solid
雪 SETSU, yuki - snow
尊 SON, tatto(bu), touto(bu),toutou(i) - value, esteem, respect, noble
They all take the "fish" radical (魚 GYO, sakana, uo - fish) to become other characters!
鰔 karei, tara - sole
鰄 kairagi - sharkskin
鰹 katsuo - redfin tuna, bonito
鱈 tara - cod
鱒 masu - trout