Here's what rhymes with logarithmation.
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seven heaven eleven lesson lessen resin leaven section felon heron election conception exception infection mention tension affection convention invention reception weapon pension threaten deception erection inception lemon reckon resection convection defection dissension ejection freshman ascension headman leaden melon headmen attention direction collection connection extension perception selection chairman correction detection dimension injection inspection objection perfection rejection apprehension connexion contention resurrection complexion deflection detention dissection exemption insurrection tendon inflection dejection dentin distension lengthen pepsin henchmen pectin sexton question intention reflection prevention rebellion brethren intersection intestine recollection redemption retention strengthen suspension congestion subjection imperfection ingestion disaffection distention reelection abstention circumspection declension indirection interception reflexion protection intervention suggestion hypertension projection digestion misconception condescension disinfection inattention pretension disconnection preemption redirection watermelon comprehension contraception introspection predilection indigestion contravention interconnection misapprehension