Contento rhymes with:
argento, bento, casamento, chimento, cilento, fomento, investimento, lento, memento, mento, nascimento, parenteau, pentimento, pesavento, sacramento, sarmento, sorento, vento
Contento sounds like:
comandante, commandant, commandment, commitment, condemned, condiment, conditioned, condoned, contained, containment, contaminant, contaminate, contaminated, contant, contend, contended, content, contented, continent, continued, continuity