Here's what rhymes with undigestive.
digestive festive restive suggestive congestive Words that almost rhyme with undigestive
testis attentive detective directive pensive effective objective perspective protective defective affective corrective depressive elective oppressive deceptive obsessive perceptive possessive projective retentive digressive unperceptive collective aggressive excessive impressive intensive offensive respective subjective defensive incentive prospective selective connective preventive receptive compressive infective inventive recessive repressive invective redemptive inattentive preemptive suppressive unimpressive deflective imperceptive extensive expensive progressive successive expressive ineffective irrespective reflective hypertensive convective introspective regressive hypotensive nonobjective noneffective overattentive unoffensive inexpensive retrospective apprehensive contraceptive reflexive inoffensive intersubjective transgressive disincentive inexpressive nonsuccessive comprehensive antihypertensive coextensive proprioceptive counteroffensive retrogressive overaggressive immunosuppressive