Here's what rhymes with subselection.
selection section collection election affection erection direction connection protection reflection correction objection perfection rejection connexion projection deflection resection subjection ejection disaffection reflexion refection infection detection injection recollection resurrection complexion dissection convection defection inflection predilection dejection reelection disconnection redirection abjection confection inflexion bisection genuflection trisection inspection intersection insurrection imperfection disinfection indirection interjection misdirection reinfection introspection interconnection circumspection retrospection Words that almost rhyme with subselection
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