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

Word Spark Muffin Level 1 – Barking, Braking
Word Spark Muffin Level 2 – Battles, Tablets

Word Spark Muffin Level 3 – Briefed, Debrief, Fibered
Word Spark Muffin Level 4 – Blowing, Bowling
Word Spark Muffin Level 5 – Blubber, Bubbler
Word Spark Muffin Level 6 – Cleared, Creedal, Declare, Relaced
Word Spark Muffin Level 7 – Blunder, Bundler
Word Spark Muffin Level 8 – Blushes, Bushels
Word Spark Muffin Level 9 – Admired
Word Spark Muffin Level 10 – Booster, Reboots
Word Spark Muffin Level 11 – Boulder, Doubler
Word Spark Muffin Level 12 – Carting, Crating, Tracing
Word Spark Muffin Level 13 – Busting, Tubings
Word Spark Muffin Level 14 – Bustles, Sublets
Word Spark Muffin Level 15 – Loaders, Ordeals, Reloads

Word Spark Muffin Level 16 – Calking, Lacking
Word Spark Muffin Level 17 – Carving, Craving
Word Spark Muffin Level 18 – Chalets, Latches, Satches
Word Spark Muffin Level 19 – Resorts, Rosters, Stores
Word Spark Muffin Level 20 – Adopted