Aggression rhymes with:
nonaggression, progression, regression, digression, nonaggression, progression, regression, transgression, compression, decompression, depression, digression, discretion, expression, freshen, impression, indiscretion, misimpression, nonaggression, oppression, progression, regression, repression, suppression, transgression
Aggression sounds like:
ackerson, akerson, assicurazioni