Here's what rhymes with resonances.

Consider these alternatives

amplitudes / groups oscillations / relations oscillate / late oscillation / relation pathologies / qualities excitations / relations juxtapositions / conditions atmospheres / years ferromagnetic / magnetic correlations / relations excitation / operation harmonic / chronic vibrate / hydrate protrusions / institutions vibrations / relations perturbations / relations intimations / relations discontinuities / annuities toroidal / torroidal obsessions / presence pulsation / counterpulsation reverberations / relations