Here are the solutions to all the levels of Word Spark Lollipop.

Word Spark Lollipop Level 1 – Stooling, Toolings
Word Spark Lollipop Level 2 – Deforest, Forested, Fostered

Word Spark Lollipop Level 3 – Nitpicks, Stickpin
Word Spark Lollipop Level 4 – Rattlers, Startler
Word Spark Lollipop Level 5 – Poisoner, Snoopier, Spoonier
Word Spark Lollipop Level 6 – Alcohol, Chemical
Word Spark Lollipop Level 7 – Quarters, Squatter
Word Spark Lollipop Level 8 – Quitters
Word Spark Lollipop Level 9 – Pressing, Springes
Word Spark Lollipop Level 10 – Assemble, Beamless
Word Spark Lollipop Level 11 – Diluents, Insulted, Unlisted
Word Spark Lollipop Level 12 – Painless, Spanield
Word Spark Lollipop Level 13 – Shooting, Soothing
Word Spark Lollipop Level 14 – Inserter, Reinsert, Reinters, Rentiers
Word Spark Lollipop Level 15 – Airsheds, Radishes

Word Spark Lollipop Level 16 – Guessing, Snuggies
Word Spark Lollipop Level 17 – Doorless, Lordoses, Odorless
Word Spark Lollipop Level 18 – Lameness, Maleness, Maneless, Nameless
Word Spark Lollipop Level 19 – Publicly
Word Spark Lollipop Level 20 – Emphasis, Misshape