quirk, peculiarity, rarity, anomaly, oddball, incongruity, anachronism, novelty, enigma, phenomenon, aberration, outlier, curiosities, weirdness, strangeness, irony, coincidence, paradox, afterthought, rareness, misnomer, oxymoron, odder, blip, factoid, sidelight, idiosyncrasy, freakishness, curio, bizarreness, absurdity, footnote, happenstance, similarity, quiddity, juxtaposition, exception, sideshow, eccentricities, paradoxes, marvel, sheepishness, improbability, characteristic, interloper, unusualness, conundrum, serendipity, contrariness, shortcoming, artifact, digression, obsession, excrescence, facet, resemblance, yawner, hiccup, unlikeliness, ubiquitousness, epiphany, analogy, significance, dichotomy, optical illusion, boneheadedness, tininess, snafu, forbearer, aspect, haphazardness, kismet, malady, throwback, anteater, anecdote, attraction, perversity, fascination, twist, otherness, duality, nowheresville, puniness, discombobulation, non sequitur, unimportance, monstera, apropos, devilishness, drawback, fact, ersatz, impossibility, denseness, eery, unpretentiousness, allusion, overtones, orneriness, appendage, chucklesome, oddities, idiosyncrasies, peculiarities, appropriateness, awkwardness, commonality, eccentricity, incongruities, inconsistency, particular, acquisition, aeroelastic, aggregative, aphasic, applicant, attentional, binomial, case, effective, embarrassing, ensemble, entire, error, example, exercise, first, hypersonic, incentive, integrational, interlanguage

collector's item, piece de resistance, showpiece

eccentricity, strangeness, stuff, sundries, sundry, unfamiliarity, whatchamacallit, whatsis

crotchet, curio, curiosity, oddment, oddness, peculiarity, queerness, quirk, quirkiness, rarity