Freeform rhymes with:
chloroform, coliform, cuneiform, landform, maidenform, outperform, platform, underperform, uniform, barnstorm, brainstorm, chloroform, coliform, cuneiform, firestorm, hailstorm, landform, maidenform, outperform, platform, rainstorm, sandstorm, snowstorm, thunderstorm, underperform, uniform, windstorm
Freeform sounds like:
fairbairn, fairburn, feuerborn, forebrain, freeborn, freeburn