Here's what rhymes with nonextensionally.
intentionally conventionally unintentionally unconventionally Words that almost rhyme with nonextensionally
genitally definitely exceptionally genuinely plentifully sensually tenuously obsessionally eventually delicacy affectionately delicately professionally gentlemanly congenitally perilously textually sensuously bidirectionally maritally objectionably unexceptionally indefinitely celibacy sedulously telegraphy negligibly petulantly questionably technocracy desultorily resonantly venomously expressionlessly unexceptionably garrulously nebulously unprofessionally decadently decadency inevitably presidency irrevocably preeminently relevancy creditably intelligibly relevantly tremulously impenetrably inequitably querulously credulously selenography unquestionably benevolently irrelevancy irrelevantly unintelligibly mellifluously incredulously malevolently discreditably