Answer:
雪 SETSU, yuki - snow
曾 SO, SOU, ZOU, katsu(te), sunawachi - already, once, previously
⼮+田 The "Magarigawa" radical - winding river /DEN, ta - paddy field
月+小+天 GETSU, tsuki, GATSU - moon, month / SHOU, chii(sai), ko - small / TEN, ame, ama - heaven
伏 FUKU, fu(su), fu(seru) - bend down, lie down, turn over, conceal
They all take the "fish" radical (魚 GYO, sakana, uo - fish) to become other characters
鱈 tara - cod, pollock
鱠 namasu - a sliced fish dish
鯔 bora - mullet
鰧 okoze - stonefish
鮲 kochi - bartail flathead