Words That Rhyme With "Infinitesimal" :
3 syllables:
decimal, lecithal, septimal, vesical
4 syllables:
accessible, alecithal, centesimal, compressible, impressible, millesimal, putrescible, vigesimal, vitrescible
5 syllables:
cataclysmal, centrolecithal, duodecimal, hexadecimal, homolecithal, imputrescible, inaccessible, incompressible, inexpressible, insuppressible, irrepressible, isolecithal, macrolecithal, megalecithal, mesolecithal, microlecithal, planetesimal, quadragesimal, sexagesimal, telolecithal