Concatenated rhymes with:
detonated, procrastinated, alienated, assassinated, carbonated, chlorinated, contaminated, culminated, detonated, discriminated, disseminated, dominated, eliminated, fascinated, illuminated, laminated, nominated, originated, oxygenated, procrastinated, terminated, uncontaminated
Concatenated sounds like:
coincident, concatenate, consistent, constant, constanta, constituent