Annotation rhymes with:
sanitation, connotation, sanitation, accreditation, agitation, amputation, cohabitation, commutation, computation, connotation, dilatation, equitation, facilitation, habitation, hesitation, imitation, imputation, inhabitation, meditation, misinterpretation, palpitation, premeditation, prestidigitation, recitation, rehabilitation, reinterpretation, reputation, sanitation, vegetation, visitation
Annotation sounds like:
amadon, amandime, amidon, ammunition, anathema, anatomy, andean, andino, andonian, animation, antenna, antennae, antenne, anthem, anthon, anthony, antoine, anton, antone, antoni, antonia, antonin, antonini, antonio, antoniou, antoniu, antony, antoon, antuna, antwine, anytime