ROGET THESAURUS
abscission
Subtraction
N
nonaddition, subtraction, subtraction, subduction, deduction, retrenchment, removal, withdrawal, ablation, sublation, abstraction, garbling mutilation, detruncation, amputation,
abscission, excision, recision, curtailment, minuend, subtrahend, decrease, abrasion, subtracted, subtractive, in deduction, less, short of, minus, without, except, except for, excepting, with the exception of, barring, save, exclusive of, save and except, with a reservation, not counting, if one doesn't count.
Disjunction
N
disjunction, disconnection, disunity, disunion, disassociation, disengagement, discontinuity, abjunction, cataclasm, inconnection, abstraction, abstractedness, isolation, insularity, insulation, oasis, island, separateness, severalty, disjecta membra, dispersion, apportionment, separation, parting, circumcision, detachment, segregation, divorce, sejunction, seposition, diduction, diremption, discerption, elision, caesura, break, fracture, division, subdivision, rupture, compartition, dismemberment, dislocation, luxation, severance, disseverance, scission, rescission,
abscission, laceration, dilaceration, disruption, abruption, avulsion, divulsion, section, resection, cleavage, fission, partibility, separability, fissure, breach, rent, split, rift, crack, slit, incision, dissection anatomy, decomposition, cutting instrument, buzzsaw, circular saw, rip saw, separatist, disjoined, discontinuous, multipartite, abstract, disjunctive, secant, isolated, insular, separate, disparate, discrete, apart, asunder, far between, loose, free, unattached, unannexed, unassociated, unconnected, distinct, adrift, straggling, rift, reft, scissile, divisible, discerptible, partible, separable, separately, one by one, severally, apart, adrift, asunder, in twain, in the abstract, abstractedly.