deduction, subtraction

meantime, lieu, complement, conjunction, spite, fact, contrast, actuality, features, enhancements, while, nutshell, new, regard, component, combination, integral, introduction, supplement, midst, instances, tandem, element, capabilities, flexibility, irus, aspect, array, collocating, plus, inscriber, order, accordance, retrospect, attributes, role, essence, quickset, mix, variety, gluer, mitigant, usee, assortment, example, ilus, some, difficulty, response, upgrade, immunohematology, part, upcoming, counterpoint, incircle, dimension, versatility, dynamic, butterfly valve, slew, relation, blz, evolute, counterbalance, presence, mtis, experience, portion, facet, advantages, supports, comparison, addendum, inclusions, partnering, juxtaposition, press release, offerings, seid, functionality, summer, sidelight, isan, closed loop, kythera, number, flying colors, bolsters, possibility, washdown, scissortail, ability, modicon, inserts, absence, retex, adjunct, portfolio, isochron, compliment, ways, combo, additions, modification, accession, emendation, acquisition, diversion, emendations, fillip, accretion, corrective, departure, recasting, accessions, boost, change, clue, contribution, discovery, improvements, novelty, electrophilic, olefin, stereospecific, amide, amine, amphoteric, bimolecular, catalysed, catalyzed, cationic, diene, emitting, exothermic, nonenzymatic, nucleophilic, oxidative, polyfunctional, pyrolytic, 1,4, aldehyde

additive, afterthought, annex, annexe, attachment, elongation, extension, fluoridation, fluoridization, softener, wing

., accession, accretion, accrue, accumulation, accumulative, add, additional, additionally, additive, adduct, add on, add together, afterthought, alloy steel, along, also, amount, amplification, and then some, annex, annexe, as well, besides, beyond, blue-green algae, caenogenesis, cainogenesis, carry, cenogenesis, cephalosporin, chesterton, chlorination, class osteichthyes, combination salad, connotative, copartnership, copulative conjunction, coriolis force, cosigner, cpa, cumulative, cushioned, cushiony, cyanobacteria, dilution, distort, elaboration, elongation, emphasize, extension, extraordinaryp, extra dividend, falsify, field, finance, fluoridation, fluoridisation, fluoridization, fortification, for good measure, found, further, furthera, furthermore, g. k. chesterton, garble, gilbert keith chesterton, hint, hydrocracking, hydrolysis, hydroxy acid, inflected, intercalary, into the bargain, in addition, in the bargain, iodination, jot, kainogenesis, kenogenesis, last but not least, last not least, likewise, matrix addition, mefoxin, mite, morea, moreover, motor-assisted, neoliberal, osteichthyes, overtime, oxidation, oxidisation, oxidization, ozonide, padded, pick up, pinch, plasticise, plasticize, plus sign, refresher, soupcon, special session, speck, sum, supervention, taoism, tinge, too, topping, total, touch, to boot, unpadded, warp, what is more, whole blood, wing, wire

arithmetic operation, constituent, increase, indefinite quantity, step-up, suburb, suburban area, suburbia

gain, improver, summation