There is a total of 40594 clues beginning with so
- Source of some plywood
- Source of some poignant notes
- Source of some political gaffes
- Source of some pop-ups
- Source of some power?
- Source of some pressure
- Source of some pressure, maybe
- Source of some protein powder
- Source of some psych grants
- Source of some psychiatry grants: Abbr
- Source of some quilt stuffing
- Source of some rattling
- Source of some reactions
- Source of some refunds
- Source of some resins
- Source of some retirement income
- Source of some rings
- Source of some roe
- Source of some rushes
- Source of some Russian copper
- Source of some salt
- Source of some sauce
- Source of some scars
- Source of some seeds
- Source of some serious shaking
- Source of some shadows, for short
- Source of some Sicilian smoke
- Source of some slicks
- Source of some sound bites
- Source of some South American wool
- Source of some sprays
- Source of some stings
- Source of some stomachaches
- Source of some strange visions
- Source of some strange visions, for short
- Source of some street clatter
- Source of some students' stress
- Source of some sugar
- Source of some sundae toppings
- Source of some swelling
- Source of some syrup
- Source of some tadpoles
- Source of some tears
- Source of some tears in the kitchen
- Source of some teen angst
- Source of some trips
- Source of some TV
- Source of some TV content
- Source of some tweets
- Source of some urban pollution
- Source of some USAF leaders
- Source of some vinegars
- Source of some viruses
- Source of some wax
- Source of some wool
- Source of something sweet
- Source of something valuable
- Source of something: Abbr
- Source of sordid details
- Source of sorrow
- Source of Souls
- Source of sound
- Source of sound advice
- Source of soup stock
- Source of sour cream?
- Source of spam
- Source of sparkling wine
- Source of speiss
- Source of spices for old traders
- Source of spills on hills
- Source of split-resistant wood
- Source of sports news
- Source of spousal angst, nocturnally
- Source of spring blossoms
- Source of springtime stress for a HS student
- Source of spumante wine
- Source of spy movie suspense
- Source of SSA funding
- Source of stability
- Source of starch
- Source of start-up cash, perhaps
- Source of statements
- Source of static
- Source of status
- Source of steady support
- Source of steam
- Source of steel
- Source of sticker shock
- Source of sticker shock?
- Source of stone used to build the ancient Egyptian pyramids
- Source of storm updates
- Source of streaming video
- Source of strength
- Source of strength, figuratively
- Source of strength, symbolically
- Source of strength
- Source of stress for a coll senior
- Source of stress for a returning vacationer
- Source of stress for new parents
- Source of stress for students