Words That Rhyme With "Altering" :
3 syllables:
bothering, clobbering, doctoring, doddering, faltering, filtering, fostering, gauffering, goffering, hollering, laundering, lawyering, lobstering, maundering, paltering, pondering, proffering, sheltering, slaughtering, slobbering, soldering, sweltering, tottering, watering