Words That Rhyme With "Cosmetically" :
4 syllables:
aesthetically, ascetically, athletically, esthetically, frenetically, genetically, heretically, hermetically, magnetically, pathetically, phonetically, poetically, synthetically, theoretically
5 syllables:
alphabetically, antithetically, apathetically, empathetically, energetically, hypothetically, kinaesthetically, kinesthetically, parenthetically, sympathetically