SO, so

 SOD    TO SCATTER ONTO THE GROUND
 SOD    TO SAY; SAYING; SPEECH; SPEAK
 SOI    TO SLEEP
 SOI    TO BE BAD; EVIL
 SOI    TAXES; REVENUE; DUTY; TARIFF
 SOK    TO ABSORB
 SOK    A ROPE; STRING; HAWSER
 SOK    TO EXACT; DEMAND RANSOME; SEARCH
 SOK    LARGE LADLE
 SON    SHIP; BOAT; SAILING VESSEL
 SON    SOUR
 SON    GARLIC
 SON    TO CALCULATE; TO SCHEME
 SONG   ASCEND; GO UP
 SONG   CRISP
 SONG   HIGH; BEST
 SONG   MONK
 SONG   FROST
 SONG   OFTEN; REGULARLY
 SONG   TO REFILL
 SONG   INJURY
 SONG   TO INJURE
 SONG   TO TASTE; TO TRY
 SOR    TO BRUSH HAIR
 SOR    TO LOCK
 SOR    PADLOCK; LOCK MECHANISM; KEY
 SOR    A PLACE; BUILDING
 SOR    THAT; THAT WHICH
 SOR    EDIDLE PLANTS; VEGETABLES
 SOR    FOOLISH