Common words that rhyme with aggregation include congregation, variegation, elongation, investigation, indagation, promulgation, derogation, idolization, adulation, appreciation, population, recrimination, authorization, confirmation and preparation.
The preacher warned against the ways of a reprobate, urging the congregation to live righteously.
He felt an obligation to help.
She conducted a thorough investigation.
I showed my appreciation for kindness.
The nation is in political turmoil.