Common words that rhyme with investigation include litigation, elongation, allegation, congregation, divulgation, interrogation, adoration, infatuation, inclination, nation, condemnation, vacation, dispensation, ratification and anticipation.
He felt an obligation to help.
The preacher warned against the ways of a reprobate, urging the congregation to live righteously.
I showed my appreciation for kindness.
The nation is in political turmoil.
The city is known for its diverse population.