Malignant rhymes with:
indignant, fagnant, indignant, magnant, pregnant, repugnant, stagnant, tousignant, abstinent, complainant, complainant's, component, conant, consonant, contaminant, continent, covenant, determinant, dissonant, dominant, eminent, exponent, fagnant, hinnant, immanent, imminent, impertinent, incontinent, indignant, lieutenant, magnant, midcontinent, opponent, pennant, permanent, predominant, preeminent, pregnant, prominent, proponent, recombinant, remnant, repugnant, resonant, ruminant, semipermanent, stagnant, subcontinent, suprenant, surprenant, tenant, tennant, tennent, tousignant, whisenant, whisnant, whisonant, winant
Malignant sounds like:
maligned, melicent, melisent, mellicent, milicent, milissent, millicent, millisecond, millisent