Words That Rhyme With "Combustion" :
2 syllables:
Christian, Faustian, fustian, gestion, question, scutcheon
3 syllables:
congestion, digestion, egestion, escutcheon, exhaustion, ingestion, suggestion, unchristian
4 syllables:
antichristian, indigestion, inescutcheon, predigestion, Theophrastian